Home / 5,389.33-7,437.86-3,151.96

Finding the Fourth Proportional to 5,389.33, 7,437.86 and 3,151.96

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Solution

The fourth proportional to 5,389.33, 7,437.86 and 3,151.96 is: 4,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.33 : 7,437.86 = 3,151.96 : x
  2. Step 2: Convert to fraction form
    5,389.33/7,437.86 = 3,151.96/x
  3. Step 3: Cross multiply
    5,389.33x = 7,437.86 × 3,151.96
  4. Step 4: Simplify right side
    5,389.33x = 23,443,837.21
  5. Step 5: Solve for x
    x = 23,443,837.21/5,389.33
  6. Step 6: Final answer
    x = 4,350.05

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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.