Home / 8,084.79-12,127.18-6,444.54

Finding the Fourth Proportional to 8,084.79, 12,127.18 and 6,444.54

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Solution

The fourth proportional to 8,084.79, 12,127.18 and 6,444.54 is: 9,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.79 : 12,127.18 = 6,444.54 : x
  2. Step 2: Convert to fraction form
    8,084.79/12,127.18 = 6,444.54/x
  3. Step 3: Cross multiply
    8,084.79x = 12,127.18 × 6,444.54
  4. Step 4: Simplify right side
    8,084.79x = 78,154,096.60
  5. Step 5: Solve for x
    x = 78,154,096.60/8,084.79
  6. Step 6: Final answer
    x = 9,666.81

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Similar ratio
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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.