Home / 7,010.07-10,515.51-3,114.78

Finding the Fourth Proportional to 7,010.07, 10,515.51 and 3,114.78

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Solution

The fourth proportional to 7,010.07, 10,515.51 and 3,114.78 is: 4,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.07 : 10,515.51 = 3,114.78 : x
  2. Step 2: Convert to fraction form
    7,010.07/10,515.51 = 3,114.78/x
  3. Step 3: Cross multiply
    7,010.07x = 10,515.51 × 3,114.78
  4. Step 4: Simplify right side
    7,010.07x = 32,753,500.24
  5. Step 5: Solve for x
    x = 32,753,500.24/7,010.07
  6. Step 6: Final answer
    x = 4,672.35

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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.