Home / 8,915.09-13,374.14-4,474.86

Finding the Fourth Proportional to 8,915.09, 13,374.14 and 4,474.86

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Solution

The fourth proportional to 8,915.09, 13,374.14 and 4,474.86 is: 6,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.09 : 13,374.14 = 4,474.86 : x
  2. Step 2: Convert to fraction form
    8,915.09/13,374.14 = 4,474.86/x
  3. Step 3: Cross multiply
    8,915.09x = 13,374.14 × 4,474.86
  4. Step 4: Simplify right side
    8,915.09x = 59,847,381.75
  5. Step 5: Solve for x
    x = 59,847,381.75/8,915.09
  6. Step 6: Final answer
    x = 6,713.05

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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.