Home / 9,087.56-13,631.50-2,931.56

Finding the Fourth Proportional to 9,087.56, 13,631.50 and 2,931.56

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Solution

The fourth proportional to 9,087.56, 13,631.50 and 2,931.56 is: 4,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.56 : 13,631.50 = 2,931.56 : x
  2. Step 2: Convert to fraction form
    9,087.56/13,631.50 = 2,931.56/x
  3. Step 3: Cross multiply
    9,087.56x = 13,631.50 × 2,931.56
  4. Step 4: Simplify right side
    9,087.56x = 39,961,560.14
  5. Step 5: Solve for x
    x = 39,961,560.14/9,087.56
  6. Step 6: Final answer
    x = 4,397.39

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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.