Home / 5,031.13-7,539.67-4,286.87

Finding the Fourth Proportional to 5,031.13, 7,539.67 and 4,286.87

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Solution

The fourth proportional to 5,031.13, 7,539.67 and 4,286.87 is: 6,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.13 : 7,539.67 = 4,286.87 : x
  2. Step 2: Convert to fraction form
    5,031.13/7,539.67 = 4,286.87/x
  3. Step 3: Cross multiply
    5,031.13x = 7,539.67 × 4,286.87
  4. Step 4: Simplify right side
    5,031.13x = 32,321,579.13
  5. Step 5: Solve for x
    x = 32,321,579.13/5,031.13
  6. Step 6: Final answer
    x = 6,424.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.