Home / 8,915.01-13,372.25-4,238.39

Finding the Fourth Proportional to 8,915.01, 13,372.25 and 4,238.39

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Solution

The fourth proportional to 8,915.01, 13,372.25 and 4,238.39 is: 6,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.01 : 13,372.25 = 4,238.39 : x
  2. Step 2: Convert to fraction form
    8,915.01/13,372.25 = 4,238.39/x
  3. Step 3: Cross multiply
    8,915.01x = 13,372.25 × 4,238.39
  4. Step 4: Simplify right side
    8,915.01x = 56,676,722.62
  5. Step 5: Solve for x
    x = 56,676,722.62/8,915.01
  6. Step 6: Final answer
    x = 6,357.45

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1.5x scale

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.