Home / 9,087.80-13,631.04-2,423.78

Finding the Fourth Proportional to 9,087.80, 13,631.04 and 2,423.78

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Solution

The fourth proportional to 9,087.80, 13,631.04 and 2,423.78 is: 3,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.80 : 13,631.04 = 2,423.78 : x
  2. Step 2: Convert to fraction form
    9,087.80/13,631.04 = 2,423.78/x
  3. Step 3: Cross multiply
    9,087.80x = 13,631.04 × 2,423.78
  4. Step 4: Simplify right side
    9,087.80x = 33,038,642.13
  5. Step 5: Solve for x
    x = 33,038,642.13/9,087.80
  6. Step 6: Final answer
    x = 3,635.49

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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.