Home / 8,915.42-13,364.91-4,237.64

Finding the Fourth Proportional to 8,915.42, 13,364.91 and 4,237.64

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Solution

The fourth proportional to 8,915.42, 13,364.91 and 4,237.64 is: 6,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.42 : 13,364.91 = 4,237.64 : x
  2. Step 2: Convert to fraction form
    8,915.42/13,364.91 = 4,237.64/x
  3. Step 3: Cross multiply
    8,915.42x = 13,364.91 × 4,237.64
  4. Step 4: Simplify right side
    8,915.42x = 56,635,677.21
  5. Step 5: Solve for x
    x = 56,635,677.21/8,915.42
  6. Step 6: Final answer
    x = 6,352.55

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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.