Home / 6,478.17-9,718.20-2,528.70

Finding the Fourth Proportional to 6,478.17, 9,718.20 and 2,528.70

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Solution

The fourth proportional to 6,478.17, 9,718.20 and 2,528.70 is: 3,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.17 : 9,718.20 = 2,528.70 : x
  2. Step 2: Convert to fraction form
    6,478.17/9,718.20 = 2,528.70/x
  3. Step 3: Cross multiply
    6,478.17x = 9,718.20 × 2,528.70
  4. Step 4: Simplify right side
    6,478.17x = 24,574,412.34
  5. Step 5: Solve for x
    x = 24,574,412.34/6,478.17
  6. Step 6: Final answer
    x = 3,793.42

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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.