Home / 6,478.28-9,717.20-2,095.62

Finding the Fourth Proportional to 6,478.28, 9,717.20 and 2,095.62

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Solution

The fourth proportional to 6,478.28, 9,717.20 and 2,095.62 is: 3,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.28 : 9,717.20 = 2,095.62 : x
  2. Step 2: Convert to fraction form
    6,478.28/9,717.20 = 2,095.62/x
  3. Step 3: Cross multiply
    6,478.28x = 9,717.20 × 2,095.62
  4. Step 4: Simplify right side
    6,478.28x = 20,363,558.66
  5. Step 5: Solve for x
    x = 20,363,558.66/6,478.28
  6. Step 6: Final answer
    x = 3,143.36

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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.