Home / 7,266.86-10,031.28-4,912.19

Finding the Fourth Proportional to 7,266.86, 10,031.28 and 4,912.19

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Solution

The fourth proportional to 7,266.86, 10,031.28 and 4,912.19 is: 6,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.86 : 10,031.28 = 4,912.19 : x
  2. Step 2: Convert to fraction form
    7,266.86/10,031.28 = 4,912.19/x
  3. Step 3: Cross multiply
    7,266.86x = 10,031.28 × 4,912.19
  4. Step 4: Simplify right side
    7,266.86x = 49,275,553.30
  5. Step 5: Solve for x
    x = 49,275,553.30/7,266.86
  6. Step 6: Final answer
    x = 6,780.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.