Home / 8,931.38-13,395.74-2,358.02

Finding the Fourth Proportional to 8,931.38, 13,395.74 and 2,358.02

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Solution

The fourth proportional to 8,931.38, 13,395.74 and 2,358.02 is: 3,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.38 : 13,395.74 = 2,358.02 : x
  2. Step 2: Convert to fraction form
    8,931.38/13,395.74 = 2,358.02/x
  3. Step 3: Cross multiply
    8,931.38x = 13,395.74 × 2,358.02
  4. Step 4: Simplify right side
    8,931.38x = 31,587,444.53
  5. Step 5: Solve for x
    x = 31,587,444.53/8,931.38
  6. Step 6: Final answer
    x = 3,536.68

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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.