Home / 6,528.90-9,793.35-2,146.80

Finding the Fourth Proportional to 6,528.90, 9,793.35 and 2,146.80

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Solution

The fourth proportional to 6,528.90, 9,793.35 and 2,146.80 is: 3,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.90 : 9,793.35 = 2,146.80 : x
  2. Step 2: Convert to fraction form
    6,528.90/9,793.35 = 2,146.80/x
  3. Step 3: Cross multiply
    6,528.90x = 9,793.35 × 2,146.80
  4. Step 4: Simplify right side
    6,528.90x = 21,024,363.78
  5. Step 5: Solve for x
    x = 21,024,363.78/6,528.90
  6. Step 6: Final answer
    x = 3,220.20

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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.