Home / 7,391.28-10,200.09-4,248.18

Finding the Fourth Proportional to 7,391.28, 10,200.09 and 4,248.18

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Solution

The fourth proportional to 7,391.28, 10,200.09 and 4,248.18 is: 5,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.28 : 10,200.09 = 4,248.18 : x
  2. Step 2: Convert to fraction form
    7,391.28/10,200.09 = 4,248.18/x
  3. Step 3: Cross multiply
    7,391.28x = 10,200.09 × 4,248.18
  4. Step 4: Simplify right side
    7,391.28x = 43,331,818.34
  5. Step 5: Solve for x
    x = 43,331,818.34/7,391.28
  6. Step 6: Final answer
    x = 5,862.56

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1.5x scale

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.