Home / 5,715.36-8,568.18-3,402

Finding the Fourth Proportional to 5,715.36, 8,568.18 and 3,402

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Solution

The fourth proportional to 5,715.36, 8,568.18 and 3,402 is: 5,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.36 : 8,568.18 = 3,402 : x
  2. Step 2: Convert to fraction form
    5,715.36/8,568.18 = 3,402/x
  3. Step 3: Cross multiply
    5,715.36x = 8,568.18 × 3,402
  4. Step 4: Simplify right side
    5,715.36x = 29,148,948.36
  5. Step 5: Solve for x
    x = 29,148,948.36/5,715.36
  6. Step 6: Final answer
    x = 5,100.11

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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.