Home / 5,386.24-7,431.20-4,127.52

Finding the Fourth Proportional to 5,386.24, 7,431.20 and 4,127.52

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Solution

The fourth proportional to 5,386.24, 7,431.20 and 4,127.52 is: 5,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.24 : 7,431.20 = 4,127.52 : x
  2. Step 2: Convert to fraction form
    5,386.24/7,431.20 = 4,127.52/x
  3. Step 3: Cross multiply
    5,386.24x = 7,431.20 × 4,127.52
  4. Step 4: Simplify right side
    5,386.24x = 30,672,426.62
  5. Step 5: Solve for x
    x = 30,672,426.62/5,386.24
  6. Step 6: Final answer
    x = 5,694.59

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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.