Home / 4,511.80-6,767.70-1,225.30

Finding the Fourth Proportional to 4,511.80, 6,767.70 and 1,225.30

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Solution

The fourth proportional to 4,511.80, 6,767.70 and 1,225.30 is: 1,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.80 : 6,767.70 = 1,225.30 : x
  2. Step 2: Convert to fraction form
    4,511.80/6,767.70 = 1,225.30/x
  3. Step 3: Cross multiply
    4,511.80x = 6,767.70 × 1,225.30
  4. Step 4: Simplify right side
    4,511.80x = 8,292,462.81
  5. Step 5: Solve for x
    x = 8,292,462.81/4,511.80
  6. Step 6: Final answer
    x = 1,837.95

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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.