Home / 9,126.64-13,691.31-2,885.24

Finding the Fourth Proportional to 9,126.64, 13,691.31 and 2,885.24

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Solution

The fourth proportional to 9,126.64, 13,691.31 and 2,885.24 is: 4,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.64 : 13,691.31 = 2,885.24 : x
  2. Step 2: Convert to fraction form
    9,126.64/13,691.31 = 2,885.24/x
  3. Step 3: Cross multiply
    9,126.64x = 13,691.31 × 2,885.24
  4. Step 4: Simplify right side
    9,126.64x = 39,502,632.38
  5. Step 5: Solve for x
    x = 39,502,632.38/9,126.64
  6. Step 6: Final answer
    x = 4,328.28

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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.