Home / 6,478.12-9,717.48-2,095.92

Finding the Fourth Proportional to 6,478.12, 9,717.48 and 2,095.92

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Solution

The fourth proportional to 6,478.12, 9,717.48 and 2,095.92 is: 3,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.12 : 9,717.48 = 2,095.92 : x
  2. Step 2: Convert to fraction form
    6,478.12/9,717.48 = 2,095.92/x
  3. Step 3: Cross multiply
    6,478.12x = 9,717.48 × 2,095.92
  4. Step 4: Simplify right side
    6,478.12x = 20,367,036.39
  5. Step 5: Solve for x
    x = 20,367,036.39/6,478.12
  6. Step 6: Final answer
    x = 3,143.97

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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.