Home / 8,909.67-12,293.60-4,930.04

Finding the Fourth Proportional to 8,909.67, 12,293.60 and 4,930.04

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Solution

The fourth proportional to 8,909.67, 12,293.60 and 4,930.04 is: 6,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.67 : 12,293.60 = 4,930.04 : x
  2. Step 2: Convert to fraction form
    8,909.67/12,293.60 = 4,930.04/x
  3. Step 3: Cross multiply
    8,909.67x = 12,293.60 × 4,930.04
  4. Step 4: Simplify right side
    8,909.67x = 60,607,939.74
  5. Step 5: Solve for x
    x = 60,607,939.74/8,909.67
  6. Step 6: Final answer
    x = 6,802.49

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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.