Home / 5,320.28-7,977.59-2,031.49

Finding the Fourth Proportional to 5,320.28, 7,977.59 and 2,031.49

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Solution

The fourth proportional to 5,320.28, 7,977.59 and 2,031.49 is: 3,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.28 : 7,977.59 = 2,031.49 : x
  2. Step 2: Convert to fraction form
    5,320.28/7,977.59 = 2,031.49/x
  3. Step 3: Cross multiply
    5,320.28x = 7,977.59 × 2,031.49
  4. Step 4: Simplify right side
    5,320.28x = 16,206,344.26
  5. Step 5: Solve for x
    x = 16,206,344.26/5,320.28
  6. Step 6: Final answer
    x = 3,046.14

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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.