Home / 8,909.35-12,294.99-4,930.70

Finding the Fourth Proportional to 8,909.35, 12,294.99 and 4,930.70

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Solution

The fourth proportional to 8,909.35, 12,294.99 and 4,930.70 is: 6,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.35 : 12,294.99 = 4,930.70 : x
  2. Step 2: Convert to fraction form
    8,909.35/12,294.99 = 4,930.70/x
  3. Step 3: Cross multiply
    8,909.35x = 12,294.99 × 4,930.70
  4. Step 4: Simplify right side
    8,909.35x = 60,622,845.72
  5. Step 5: Solve for x
    x = 60,622,845.72/8,909.35
  6. Step 6: Final answer
    x = 6,804.41

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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.