Home / 7,140.44-10,712.16-2,460.87

Finding the Fourth Proportional to 7,140.44, 10,712.16 and 2,460.87

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Solution

The fourth proportional to 7,140.44, 10,712.16 and 2,460.87 is: 3,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.44 : 10,712.16 = 2,460.87 : x
  2. Step 2: Convert to fraction form
    7,140.44/10,712.16 = 2,460.87/x
  3. Step 3: Cross multiply
    7,140.44x = 10,712.16 × 2,460.87
  4. Step 4: Simplify right side
    7,140.44x = 26,361,233.18
  5. Step 5: Solve for x
    x = 26,361,233.18/7,140.44
  6. Step 6: Final answer
    x = 3,691.82

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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.