Home / 6,930.89-10,398.92-4,159.55

Finding the Fourth Proportional to 6,930.89, 10,398.92 and 4,159.55

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Solution

The fourth proportional to 6,930.89, 10,398.92 and 4,159.55 is: 6,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.89 : 10,398.92 = 4,159.55 : x
  2. Step 2: Convert to fraction form
    6,930.89/10,398.92 = 4,159.55/x
  3. Step 3: Cross multiply
    6,930.89x = 10,398.92 × 4,159.55
  4. Step 4: Simplify right side
    6,930.89x = 43,254,754.89
  5. Step 5: Solve for x
    x = 43,254,754.89/6,930.89
  6. Step 6: Final answer
    x = 6,240.87

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1.5x scale

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.