Home / 6,715.25-10,071.80-4,761.53

Finding the Fourth Proportional to 6,715.25, 10,071.80 and 4,761.53

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Solution

The fourth proportional to 6,715.25, 10,071.80 and 4,761.53 is: 7,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.25 : 10,071.80 = 4,761.53 : x
  2. Step 2: Convert to fraction form
    6,715.25/10,071.80 = 4,761.53/x
  3. Step 3: Cross multiply
    6,715.25x = 10,071.80 × 4,761.53
  4. Step 4: Simplify right side
    6,715.25x = 47,957,154.05
  5. Step 5: Solve for x
    x = 47,957,154.05/6,715.25
  6. Step 6: Final answer
    x = 7,141.53

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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.