Home / 6,290.28-8,680.96-3,495.76

Finding the Fourth Proportional to 6,290.28, 8,680.96 and 3,495.76

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Solution

The fourth proportional to 6,290.28, 8,680.96 and 3,495.76 is: 4,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.28 : 8,680.96 = 3,495.76 : x
  2. Step 2: Convert to fraction form
    6,290.28/8,680.96 = 3,495.76/x
  3. Step 3: Cross multiply
    6,290.28x = 8,680.96 × 3,495.76
  4. Step 4: Simplify right side
    6,290.28x = 30,346,552.73
  5. Step 5: Solve for x
    x = 30,346,552.73/6,290.28
  6. Step 6: Final answer
    x = 4,824.36

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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.