Home / 6,953.28-10,422.72-3,488.64

Finding the Fourth Proportional to 6,953.28, 10,422.72 and 3,488.64

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Solution

The fourth proportional to 6,953.28, 10,422.72 and 3,488.64 is: 5,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.28 : 10,422.72 = 3,488.64 : x
  2. Step 2: Convert to fraction form
    6,953.28/10,422.72 = 3,488.64/x
  3. Step 3: Cross multiply
    6,953.28x = 10,422.72 × 3,488.64
  4. Step 4: Simplify right side
    6,953.28x = 36,361,117.90
  5. Step 5: Solve for x
    x = 36,361,117.90/6,953.28
  6. Step 6: Final answer
    x = 5,229.35

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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.