Home / 7,427.28-10,248.24-4,240.56

Finding the Fourth Proportional to 7,427.28, 10,248.24 and 4,240.56

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Solution

The fourth proportional to 7,427.28, 10,248.24 and 4,240.56 is: 5,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.28 : 10,248.24 = 4,240.56 : x
  2. Step 2: Convert to fraction form
    7,427.28/10,248.24 = 4,240.56/x
  3. Step 3: Cross multiply
    7,427.28x = 10,248.24 × 4,240.56
  4. Step 4: Simplify right side
    7,427.28x = 43,458,276.61
  5. Step 5: Solve for x
    x = 43,458,276.61/7,427.28
  6. Step 6: Final answer
    x = 5,851.17

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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.