Home / 5,455.28-7,528-3,098.18

Finding the Fourth Proportional to 5,455.28, 7,528 and 3,098.18

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Solution

The fourth proportional to 5,455.28, 7,528 and 3,098.18 is: 4,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.28 : 7,528 = 3,098.18 : x
  2. Step 2: Convert to fraction form
    5,455.28/7,528 = 3,098.18/x
  3. Step 3: Cross multiply
    5,455.28x = 7,528 × 3,098.18
  4. Step 4: Simplify right side
    5,455.28x = 23,323,099.04
  5. Step 5: Solve for x
    x = 23,323,099.04/5,455.28
  6. Step 6: Final answer
    x = 4,275.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.