Home / 9,187.08-13,780.77-2,613.43

Finding the Fourth Proportional to 9,187.08, 13,780.77 and 2,613.43

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Solution

The fourth proportional to 9,187.08, 13,780.77 and 2,613.43 is: 3,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.08 : 13,780.77 = 2,613.43 : x
  2. Step 2: Convert to fraction form
    9,187.08/13,780.77 = 2,613.43/x
  3. Step 3: Cross multiply
    9,187.08x = 13,780.77 × 2,613.43
  4. Step 4: Simplify right side
    9,187.08x = 36,015,085.17
  5. Step 5: Solve for x
    x = 36,015,085.17/9,187.08
  6. Step 6: Final answer
    x = 3,920.19

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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.