Home / 8,406.30-12,593.07-4,887.66

Finding the Fourth Proportional to 8,406.30, 12,593.07 and 4,887.66

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Solution

The fourth proportional to 8,406.30, 12,593.07 and 4,887.66 is: 7,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.30 : 12,593.07 = 4,887.66 : x
  2. Step 2: Convert to fraction form
    8,406.30/12,593.07 = 4,887.66/x
  3. Step 3: Cross multiply
    8,406.30x = 12,593.07 × 4,887.66
  4. Step 4: Simplify right side
    8,406.30x = 61,550,644.52
  5. Step 5: Solve for x
    x = 61,550,644.52/8,406.30
  6. Step 6: Final answer
    x = 7,321.97

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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.