Home / 7,326.24-10,989.35-4,865.86

Finding the Fourth Proportional to 7,326.24, 10,989.35 and 4,865.86

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Solution

The fourth proportional to 7,326.24, 10,989.35 and 4,865.86 is: 7,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.24 : 10,989.35 = 4,865.86 : x
  2. Step 2: Convert to fraction form
    7,326.24/10,989.35 = 4,865.86/x
  3. Step 3: Cross multiply
    7,326.24x = 10,989.35 × 4,865.86
  4. Step 4: Simplify right side
    7,326.24x = 53,472,638.59
  5. Step 5: Solve for x
    x = 53,472,638.59/7,326.24
  6. Step 6: Final answer
    x = 7,298.78

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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.