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Finding the Fourth Proportional to 5,354.70, 8,032.05 and 3,605.10

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Solution

The fourth proportional to 5,354.70, 8,032.05 and 3,605.10 is: 5,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.70 : 8,032.05 = 3,605.10 : x
  2. Step 2: Convert to fraction form
    5,354.70/8,032.05 = 3,605.10/x
  3. Step 3: Cross multiply
    5,354.70x = 8,032.05 × 3,605.10
  4. Step 4: Simplify right side
    5,354.70x = 28,956,343.46
  5. Step 5: Solve for x
    x = 28,956,343.46/5,354.70
  6. Step 6: Final answer
    x = 5,407.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.