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Finding the Fourth Proportional to 6,677.40, 10,016.10 and 5,909.40

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Solution

The fourth proportional to 6,677.40, 10,016.10 and 5,909.40 is: 8,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.40 : 10,016.10 = 5,909.40 : x
  2. Step 2: Convert to fraction form
    6,677.40/10,016.10 = 5,909.40/x
  3. Step 3: Cross multiply
    6,677.40x = 10,016.10 × 5,909.40
  4. Step 4: Simplify right side
    6,677.40x = 59,189,141.34
  5. Step 5: Solve for x
    x = 59,189,141.34/6,677.40
  6. Step 6: Final answer
    x = 8,864.10

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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.