Home / 7,010.20-10,517.28-2,853.19

Finding the Fourth Proportional to 7,010.20, 10,517.28 and 2,853.19

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Solution

The fourth proportional to 7,010.20, 10,517.28 and 2,853.19 is: 4,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.20 : 10,517.28 = 2,853.19 : x
  2. Step 2: Convert to fraction form
    7,010.20/10,517.28 = 2,853.19/x
  3. Step 3: Cross multiply
    7,010.20x = 10,517.28 × 2,853.19
  4. Step 4: Simplify right side
    7,010.20x = 30,007,784.36
  5. Step 5: Solve for x
    x = 30,007,784.36/7,010.20
  6. Step 6: Final answer
    x = 4,280.59

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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.