Home / 8,909.26-12,294.48-4,930.54

Finding the Fourth Proportional to 8,909.26, 12,294.48 and 4,930.54

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Solution

The fourth proportional to 8,909.26, 12,294.48 and 4,930.54 is: 6,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.26 : 12,294.48 = 4,930.54 : x
  2. Step 2: Convert to fraction form
    8,909.26/12,294.48 = 4,930.54/x
  3. Step 3: Cross multiply
    8,909.26x = 12,294.48 × 4,930.54
  4. Step 4: Simplify right side
    8,909.26x = 60,618,422.30
  5. Step 5: Solve for x
    x = 60,618,422.30/8,909.26
  6. Step 6: Final answer
    x = 6,803.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.