Home / 7,701.30-11,557.14-3,319.20

Finding the Fourth Proportional to 7,701.30, 11,557.14 and 3,319.20

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Solution

The fourth proportional to 7,701.30, 11,557.14 and 3,319.20 is: 4,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.30 : 11,557.14 = 3,319.20 : x
  2. Step 2: Convert to fraction form
    7,701.30/11,557.14 = 3,319.20/x
  3. Step 3: Cross multiply
    7,701.30x = 11,557.14 × 3,319.20
  4. Step 4: Simplify right side
    7,701.30x = 38,360,459.09
  5. Step 5: Solve for x
    x = 38,360,459.09/7,701.30
  6. Step 6: Final answer
    x = 4,981.04

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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.