Home / 9,375.36-12,937.68-5,395.92

Finding the Fourth Proportional to 9,375.36, 12,937.68 and 5,395.92

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Solution

The fourth proportional to 9,375.36, 12,937.68 and 5,395.92 is: 7,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.36 : 12,937.68 = 5,395.92 : x
  2. Step 2: Convert to fraction form
    9,375.36/12,937.68 = 5,395.92/x
  3. Step 3: Cross multiply
    9,375.36x = 12,937.68 × 5,395.92
  4. Step 4: Simplify right side
    9,375.36x = 69,810,686.27
  5. Step 5: Solve for x
    x = 69,810,686.27/9,375.36
  6. Step 6: Final answer
    x = 7,446.19

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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.