Home / 7,020.45-10,531.70-2,517.17

Finding the Fourth Proportional to 7,020.45, 10,531.70 and 2,517.17

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Solution

The fourth proportional to 7,020.45, 10,531.70 and 2,517.17 is: 3,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.45 : 10,531.70 = 2,517.17 : x
  2. Step 2: Convert to fraction form
    7,020.45/10,531.70 = 2,517.17/x
  3. Step 3: Cross multiply
    7,020.45x = 10,531.70 × 2,517.17
  4. Step 4: Simplify right side
    7,020.45x = 26,510,023.48
  5. Step 5: Solve for x
    x = 26,510,023.48/7,020.45
  6. Step 6: Final answer
    x = 3,776.11

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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.