Home / 6,187.40-9,281.10-1,805.30

Finding the Fourth Proportional to 6,187.40, 9,281.10 and 1,805.30

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Solution

The fourth proportional to 6,187.40, 9,281.10 and 1,805.30 is: 2,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.40 : 9,281.10 = 1,805.30 : x
  2. Step 2: Convert to fraction form
    6,187.40/9,281.10 = 1,805.30/x
  3. Step 3: Cross multiply
    6,187.40x = 9,281.10 × 1,805.30
  4. Step 4: Simplify right side
    6,187.40x = 16,755,169.83
  5. Step 5: Solve for x
    x = 16,755,169.83/6,187.40
  6. Step 6: Final answer
    x = 2,707.95

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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.