Home / 5,330.19-7,995.29-2,731.47

Finding the Fourth Proportional to 5,330.19, 7,995.29 and 2,731.47

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Solution

The fourth proportional to 5,330.19, 7,995.29 and 2,731.47 is: 4,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.19 : 7,995.29 = 2,731.47 : x
  2. Step 2: Convert to fraction form
    5,330.19/7,995.29 = 2,731.47/x
  3. Step 3: Cross multiply
    5,330.19x = 7,995.29 × 2,731.47
  4. Step 4: Simplify right side
    5,330.19x = 21,838,881.12
  5. Step 5: Solve for x
    x = 21,838,881.12/5,330.19
  6. Step 6: Final answer
    x = 4,097.21

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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.