Home / 9,317.38-12,857.73-5,125.64

Finding the Fourth Proportional to 9,317.38, 12,857.73 and 5,125.64

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Solution

The fourth proportional to 9,317.38, 12,857.73 and 5,125.64 is: 7,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.38 : 12,857.73 = 5,125.64 : x
  2. Step 2: Convert to fraction form
    9,317.38/12,857.73 = 5,125.64/x
  3. Step 3: Cross multiply
    9,317.38x = 12,857.73 × 5,125.64
  4. Step 4: Simplify right side
    9,317.38x = 65,904,095.20
  5. Step 5: Solve for x
    x = 65,904,095.20/9,317.38
  6. Step 6: Final answer
    x = 7,073.24

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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.