Home / 5,330.60-7,995.52-2,209.80

Finding the Fourth Proportional to 5,330.60, 7,995.52 and 2,209.80

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Solution

The fourth proportional to 5,330.60, 7,995.52 and 2,209.80 is: 3,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.60 : 7,995.52 = 2,209.80 : x
  2. Step 2: Convert to fraction form
    5,330.60/7,995.52 = 2,209.80/x
  3. Step 3: Cross multiply
    5,330.60x = 7,995.52 × 2,209.80
  4. Step 4: Simplify right side
    5,330.60x = 17,668,500.10
  5. Step 5: Solve for x
    x = 17,668,500.10/5,330.60
  6. Step 6: Final answer
    x = 3,314.54

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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.