Home / 6,886.20-10,329.30-6,475.80

Finding the Fourth Proportional to 6,886.20, 10,329.30 and 6,475.80

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Solution

The fourth proportional to 6,886.20, 10,329.30 and 6,475.80 is: 9,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.20 : 10,329.30 = 6,475.80 : x
  2. Step 2: Convert to fraction form
    6,886.20/10,329.30 = 6,475.80/x
  3. Step 3: Cross multiply
    6,886.20x = 10,329.30 × 6,475.80
  4. Step 4: Simplify right side
    6,886.20x = 66,890,480.94
  5. Step 5: Solve for x
    x = 66,890,480.94/6,886.20
  6. Step 6: Final answer
    x = 9,713.70

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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.