Home / 5,254.13-7,881.16-3,031.53

Finding the Fourth Proportional to 5,254.13, 7,881.16 and 3,031.53

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Solution

The fourth proportional to 5,254.13, 7,881.16 and 3,031.53 is: 4,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.13 : 7,881.16 = 3,031.53 : x
  2. Step 2: Convert to fraction form
    5,254.13/7,881.16 = 3,031.53/x
  3. Step 3: Cross multiply
    5,254.13x = 7,881.16 × 3,031.53
  4. Step 4: Simplify right side
    5,254.13x = 23,891,972.97
  5. Step 5: Solve for x
    x = 23,891,972.97/5,254.13
  6. Step 6: Final answer
    x = 4,547.27

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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.