Home / 8,872.87-13,309.29-4,491.58

Finding the Fourth Proportional to 8,872.87, 13,309.29 and 4,491.58

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Solution

The fourth proportional to 8,872.87, 13,309.29 and 4,491.58 is: 6,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.87 : 13,309.29 = 4,491.58 : x
  2. Step 2: Convert to fraction form
    8,872.87/13,309.29 = 4,491.58/x
  3. Step 3: Cross multiply
    8,872.87x = 13,309.29 × 4,491.58
  4. Step 4: Simplify right side
    8,872.87x = 59,779,740.78
  5. Step 5: Solve for x
    x = 59,779,740.78/8,872.87
  6. Step 6: Final answer
    x = 6,737.36

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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.