Home / 9,215.10-13,819.96-3,291.04

Finding the Fourth Proportional to 9,215.10, 13,819.96 and 3,291.04

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Solution

The fourth proportional to 9,215.10, 13,819.96 and 3,291.04 is: 4,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.10 : 13,819.96 = 3,291.04 : x
  2. Step 2: Convert to fraction form
    9,215.10/13,819.96 = 3,291.04/x
  3. Step 3: Cross multiply
    9,215.10x = 13,819.96 × 3,291.04
  4. Step 4: Simplify right side
    9,215.10x = 45,482,041.16
  5. Step 5: Solve for x
    x = 45,482,041.16/9,215.10
  6. Step 6: Final answer
    x = 4,935.60

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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.