Home / 6,290.52-8,680.68-3,496.20

Finding the Fourth Proportional to 6,290.52, 8,680.68 and 3,496.20

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Solution

The fourth proportional to 6,290.52, 8,680.68 and 3,496.20 is: 4,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.52 : 8,680.68 = 3,496.20 : x
  2. Step 2: Convert to fraction form
    6,290.52/8,680.68 = 3,496.20/x
  3. Step 3: Cross multiply
    6,290.52x = 8,680.68 × 3,496.20
  4. Step 4: Simplify right side
    6,290.52x = 30,349,393.42
  5. Step 5: Solve for x
    x = 30,349,393.42/6,290.52
  6. Step 6: Final answer
    x = 4,824.62

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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.