Home / 5,253.68-7,881.80-1,505.52

Finding the Fourth Proportional to 5,253.68, 7,881.80 and 1,505.52

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Solution

The fourth proportional to 5,253.68, 7,881.80 and 1,505.52 is: 2,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.68 : 7,881.80 = 1,505.52 : x
  2. Step 2: Convert to fraction form
    5,253.68/7,881.80 = 1,505.52/x
  3. Step 3: Cross multiply
    5,253.68x = 7,881.80 × 1,505.52
  4. Step 4: Simplify right side
    5,253.68x = 11,866,207.54
  5. Step 5: Solve for x
    x = 11,866,207.54/5,253.68
  6. Step 6: Final answer
    x = 2,258.65

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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.