Home / 7,318.76-10,988.46-4,548.86

Finding the Fourth Proportional to 7,318.76, 10,988.46 and 4,548.86

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Solution

The fourth proportional to 7,318.76, 10,988.46 and 4,548.86 is: 6,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.76 : 10,988.46 = 4,548.86 : x
  2. Step 2: Convert to fraction form
    7,318.76/10,988.46 = 4,548.86/x
  3. Step 3: Cross multiply
    7,318.76x = 10,988.46 × 4,548.86
  4. Step 4: Simplify right side
    7,318.76x = 49,984,952.42
  5. Step 5: Solve for x
    x = 49,984,952.42/7,318.76
  6. Step 6: Final answer
    x = 6,829.71

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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.