Home / 8,157.47-11,259.11-4,622.63

Finding the Fourth Proportional to 8,157.47, 11,259.11 and 4,622.63

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Solution

The fourth proportional to 8,157.47, 11,259.11 and 4,622.63 is: 6,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.47 : 11,259.11 = 4,622.63 : x
  2. Step 2: Convert to fraction form
    8,157.47/11,259.11 = 4,622.63/x
  3. Step 3: Cross multiply
    8,157.47x = 11,259.11 × 4,622.63
  4. Step 4: Simplify right side
    8,157.47x = 52,046,654.92
  5. Step 5: Solve for x
    x = 52,046,654.92/8,157.47
  6. Step 6: Final answer
    x = 6,380.25

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Double scale
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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.