Home / 7,001.28-10,503.74-3,104.76

Finding the Fourth Proportional to 7,001.28, 10,503.74 and 3,104.76

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Solution

The fourth proportional to 7,001.28, 10,503.74 and 3,104.76 is: 4,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.28 : 10,503.74 = 3,104.76 : x
  2. Step 2: Convert to fraction form
    7,001.28/10,503.74 = 3,104.76/x
  3. Step 3: Cross multiply
    7,001.28x = 10,503.74 × 3,104.76
  4. Step 4: Simplify right side
    7,001.28x = 32,611,591.80
  5. Step 5: Solve for x
    x = 32,611,591.80/7,001.28
  6. Step 6: Final answer
    x = 4,657.95

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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.