Home / 6,275.28-8,652.80-4,286.88

Finding the Fourth Proportional to 6,275.28, 8,652.80 and 4,286.88

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Solution

The fourth proportional to 6,275.28, 8,652.80 and 4,286.88 is: 5,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.28 : 8,652.80 = 4,286.88 : x
  2. Step 2: Convert to fraction form
    6,275.28/8,652.80 = 4,286.88/x
  3. Step 3: Cross multiply
    6,275.28x = 8,652.80 × 4,286.88
  4. Step 4: Simplify right side
    6,275.28x = 37,093,515.26
  5. Step 5: Solve for x
    x = 37,093,515.26/6,275.28
  6. Step 6: Final answer
    x = 5,911.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.