Home / 5,388.83-7,437.17-3,151.46

Finding the Fourth Proportional to 5,388.83, 7,437.17 and 3,151.46

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Solution

The fourth proportional to 5,388.83, 7,437.17 and 3,151.46 is: 4,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.83 : 7,437.17 = 3,151.46 : x
  2. Step 2: Convert to fraction form
    5,388.83/7,437.17 = 3,151.46/x
  3. Step 3: Cross multiply
    5,388.83x = 7,437.17 × 3,151.46
  4. Step 4: Simplify right side
    5,388.83x = 23,437,943.77
  5. Step 5: Solve for x
    x = 23,437,943.77/5,388.83
  6. Step 6: Final answer
    x = 4,349.36

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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.