Home / 7,248.35-10,865.17-4,121.90

Finding the Fourth Proportional to 7,248.35, 10,865.17 and 4,121.90

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Solution

The fourth proportional to 7,248.35, 10,865.17 and 4,121.90 is: 6,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.35 : 10,865.17 = 4,121.90 : x
  2. Step 2: Convert to fraction form
    7,248.35/10,865.17 = 4,121.90/x
  3. Step 3: Cross multiply
    7,248.35x = 10,865.17 × 4,121.90
  4. Step 4: Simplify right side
    7,248.35x = 44,785,144.22
  5. Step 5: Solve for x
    x = 44,785,144.22/7,248.35
  6. Step 6: Final answer
    x = 6,178.67

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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.