Home / 5,325.76-7,988.72-1,863.04

Finding the Fourth Proportional to 5,325.76, 7,988.72 and 1,863.04

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Solution

The fourth proportional to 5,325.76, 7,988.72 and 1,863.04 is: 2,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.76 : 7,988.72 = 1,863.04 : x
  2. Step 2: Convert to fraction form
    5,325.76/7,988.72 = 1,863.04/x
  3. Step 3: Cross multiply
    5,325.76x = 7,988.72 × 1,863.04
  4. Step 4: Simplify right side
    5,325.76x = 14,883,304.91
  5. Step 5: Solve for x
    x = 14,883,304.91/5,325.76
  6. Step 6: Final answer
    x = 2,794.59

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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.