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Finding the Fourth Proportional to 5,602.66, 8,406.39 and 2,318.14

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Solution

The fourth proportional to 5,602.66, 8,406.39 and 2,318.14 is: 3,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.66 : 8,406.39 = 2,318.14 : x
  2. Step 2: Convert to fraction form
    5,602.66/8,406.39 = 2,318.14/x
  3. Step 3: Cross multiply
    5,602.66x = 8,406.39 × 2,318.14
  4. Step 4: Simplify right side
    5,602.66x = 19,487,188.91
  5. Step 5: Solve for x
    x = 19,487,188.91/5,602.66
  6. Step 6: Final answer
    x = 3,478.20

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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.