Home / 6,959.37-10,442.40-3,449.70

Finding the Fourth Proportional to 6,959.37, 10,442.40 and 3,449.70

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Solution

The fourth proportional to 6,959.37, 10,442.40 and 3,449.70 is: 5,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.37 : 10,442.40 = 3,449.70 : x
  2. Step 2: Convert to fraction form
    6,959.37/10,442.40 = 3,449.70/x
  3. Step 3: Cross multiply
    6,959.37x = 10,442.40 × 3,449.70
  4. Step 4: Simplify right side
    6,959.37x = 36,023,147.28
  5. Step 5: Solve for x
    x = 36,023,147.28/6,959.37
  6. Step 6: Final answer
    x = 5,176.21

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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.