Home / 8,845.86-12,204.25-5,487.47

Finding the Fourth Proportional to 8,845.86, 12,204.25 and 5,487.47

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Solution

The fourth proportional to 8,845.86, 12,204.25 and 5,487.47 is: 7,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.86 : 12,204.25 = 5,487.47 : x
  2. Step 2: Convert to fraction form
    8,845.86/12,204.25 = 5,487.47/x
  3. Step 3: Cross multiply
    8,845.86x = 12,204.25 × 5,487.47
  4. Step 4: Simplify right side
    8,845.86x = 66,970,455.75
  5. Step 5: Solve for x
    x = 66,970,455.75/8,845.86
  6. Step 6: Final answer
    x = 7,570.82

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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.