Home / 7,080.41-10,621.17-1,885.61

Finding the Fourth Proportional to 7,080.41, 10,621.17 and 1,885.61

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Solution

The fourth proportional to 7,080.41, 10,621.17 and 1,885.61 is: 2,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.41 : 10,621.17 = 1,885.61 : x
  2. Step 2: Convert to fraction form
    7,080.41/10,621.17 = 1,885.61/x
  3. Step 3: Cross multiply
    7,080.41x = 10,621.17 × 1,885.61
  4. Step 4: Simplify right side
    7,080.41x = 20,027,331.26
  5. Step 5: Solve for x
    x = 20,027,331.26/7,080.41
  6. Step 6: Final answer
    x = 2,828.56

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Double scale
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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.