Home / 6,429.20-9,632.36-2,959.12

Finding the Fourth Proportional to 6,429.20, 9,632.36 and 2,959.12

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Solution

The fourth proportional to 6,429.20, 9,632.36 and 2,959.12 is: 4,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.20 : 9,632.36 = 2,959.12 : x
  2. Step 2: Convert to fraction form
    6,429.20/9,632.36 = 2,959.12/x
  3. Step 3: Cross multiply
    6,429.20x = 9,632.36 × 2,959.12
  4. Step 4: Simplify right side
    6,429.20x = 28,503,309.12
  5. Step 5: Solve for x
    x = 28,503,309.12/6,429.20
  6. Step 6: Final answer
    x = 4,433.41

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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.