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Finding the Fourth Proportional to 6,803.46, 10,205.20 and 1,873.62

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Solution

The fourth proportional to 6,803.46, 10,205.20 and 1,873.62 is: 2,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.46 : 10,205.20 = 1,873.62 : x
  2. Step 2: Convert to fraction form
    6,803.46/10,205.20 = 1,873.62/x
  3. Step 3: Cross multiply
    6,803.46x = 10,205.20 × 1,873.62
  4. Step 4: Simplify right side
    6,803.46x = 19,120,666.82
  5. Step 5: Solve for x
    x = 19,120,666.82/6,803.46
  6. Step 6: Final answer
    x = 2,810.43

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Half scale
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Double scale
Find fourth proportional to 6,804.46, 10,206.70 and 1,874.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.