Home / 9,249.09-12,766.13-5,710.28

Finding the Fourth Proportional to 9,249.09, 12,766.13 and 5,710.28

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Solution

The fourth proportional to 9,249.09, 12,766.13 and 5,710.28 is: 7,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.09 : 12,766.13 = 5,710.28 : x
  2. Step 2: Convert to fraction form
    9,249.09/12,766.13 = 5,710.28/x
  3. Step 3: Cross multiply
    9,249.09x = 12,766.13 × 5,710.28
  4. Step 4: Simplify right side
    9,249.09x = 72,898,084.43
  5. Step 5: Solve for x
    x = 72,898,084.43/9,249.09
  6. Step 6: Final answer
    x = 7,881.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.