Home / 8,931.48-13,396.52-3,384.32

Finding the Fourth Proportional to 8,931.48, 13,396.52 and 3,384.32

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Solution

The fourth proportional to 8,931.48, 13,396.52 and 3,384.32 is: 5,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.48 : 13,396.52 = 3,384.32 : x
  2. Step 2: Convert to fraction form
    8,931.48/13,396.52 = 3,384.32/x
  3. Step 3: Cross multiply
    8,931.48x = 13,396.52 × 3,384.32
  4. Step 4: Simplify right side
    8,931.48x = 45,338,110.57
  5. Step 5: Solve for x
    x = 45,338,110.57/8,931.48
  6. Step 6: Final answer
    x = 5,076.21

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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.