Home / 8,915.25-13,373.01-4,235.74

Finding the Fourth Proportional to 8,915.25, 13,373.01 and 4,235.74

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Solution

The fourth proportional to 8,915.25, 13,373.01 and 4,235.74 is: 6,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.25 : 13,373.01 = 4,235.74 : x
  2. Step 2: Convert to fraction form
    8,915.25/13,373.01 = 4,235.74/x
  3. Step 3: Cross multiply
    8,915.25x = 13,373.01 × 4,235.74
  4. Step 4: Simplify right side
    8,915.25x = 56,644,641.12
  5. Step 5: Solve for x
    x = 56,644,641.12/8,915.25
  6. Step 6: Final answer
    x = 6,353.68

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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.