Home / 5,117.62-7,670.22-2,340.40

Finding the Fourth Proportional to 5,117.62, 7,670.22 and 2,340.40

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Solution

The fourth proportional to 5,117.62, 7,670.22 and 2,340.40 is: 3,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.62 : 7,670.22 = 2,340.40 : x
  2. Step 2: Convert to fraction form
    5,117.62/7,670.22 = 2,340.40/x
  3. Step 3: Cross multiply
    5,117.62x = 7,670.22 × 2,340.40
  4. Step 4: Simplify right side
    5,117.62x = 17,951,382.89
  5. Step 5: Solve for x
    x = 17,951,382.89/5,117.62
  6. Step 6: Final answer
    x = 3,507.76

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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.