Home / 8,929.69-13,381.58-5,025.76

Finding the Fourth Proportional to 8,929.69, 13,381.58 and 5,025.76

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Solution

The fourth proportional to 8,929.69, 13,381.58 and 5,025.76 is: 7,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.69 : 13,381.58 = 5,025.76 : x
  2. Step 2: Convert to fraction form
    8,929.69/13,381.58 = 5,025.76/x
  3. Step 3: Cross multiply
    8,929.69x = 13,381.58 × 5,025.76
  4. Step 4: Simplify right side
    8,929.69x = 67,252,584.37
  5. Step 5: Solve for x
    x = 67,252,584.37/8,929.69
  6. Step 6: Final answer
    x = 7,531.35

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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.