Home / 6,875.20-10,307.60-3,414.88

Finding the Fourth Proportional to 6,875.20, 10,307.60 and 3,414.88

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Solution

The fourth proportional to 6,875.20, 10,307.60 and 3,414.88 is: 5,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.20 : 10,307.60 = 3,414.88 : x
  2. Step 2: Convert to fraction form
    6,875.20/10,307.60 = 3,414.88/x
  3. Step 3: Cross multiply
    6,875.20x = 10,307.60 × 3,414.88
  4. Step 4: Simplify right side
    6,875.20x = 35,199,217.09
  5. Step 5: Solve for x
    x = 35,199,217.09/6,875.20
  6. Step 6: Final answer
    x = 5,119.74

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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.