Home / 7,634.20-11,451.30-7,002.40

Finding the Fourth Proportional to 7,634.20, 11,451.30 and 7,002.40

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Solution

The fourth proportional to 7,634.20, 11,451.30 and 7,002.40 is: 10,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.20 : 11,451.30 = 7,002.40 : x
  2. Step 2: Convert to fraction form
    7,634.20/11,451.30 = 7,002.40/x
  3. Step 3: Cross multiply
    7,634.20x = 11,451.30 × 7,002.40
  4. Step 4: Simplify right side
    7,634.20x = 80,186,583.12
  5. Step 5: Solve for x
    x = 80,186,583.12/7,634.20
  6. Step 6: Final answer
    x = 10,503.60

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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.