Home / 5,393.28-7,451.52-4,071.36

Finding the Fourth Proportional to 5,393.28, 7,451.52 and 4,071.36

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Solution

The fourth proportional to 5,393.28, 7,451.52 and 4,071.36 is: 5,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.28 : 7,451.52 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    5,393.28/7,451.52 = 4,071.36/x
  3. Step 3: Cross multiply
    5,393.28x = 7,451.52 × 4,071.36
  4. Step 4: Simplify right side
    5,393.28x = 30,337,820.47
  5. Step 5: Solve for x
    x = 30,337,820.47/5,393.28
  6. Step 6: Final answer
    x = 5,625.12

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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.