Home / 7,655.29-11,480.40-2,974.96

Finding the Fourth Proportional to 7,655.29, 11,480.40 and 2,974.96

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Solution

The fourth proportional to 7,655.29, 11,480.40 and 2,974.96 is: 4,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.29 : 11,480.40 = 2,974.96 : x
  2. Step 2: Convert to fraction form
    7,655.29/11,480.40 = 2,974.96/x
  3. Step 3: Cross multiply
    7,655.29x = 11,480.40 × 2,974.96
  4. Step 4: Simplify right side
    7,655.29x = 34,153,730.78
  5. Step 5: Solve for x
    x = 34,153,730.78/7,655.29
  6. Step 6: Final answer
    x = 4,461.45

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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.