Home / 6,620.08-9,145.20-5,292.04

Finding the Fourth Proportional to 6,620.08, 9,145.20 and 5,292.04

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Solution

The fourth proportional to 6,620.08, 9,145.20 and 5,292.04 is: 7,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.08 : 9,145.20 = 5,292.04 : x
  2. Step 2: Convert to fraction form
    6,620.08/9,145.20 = 5,292.04/x
  3. Step 3: Cross multiply
    6,620.08x = 9,145.20 × 5,292.04
  4. Step 4: Simplify right side
    6,620.08x = 48,396,764.21
  5. Step 5: Solve for x
    x = 48,396,764.21/6,620.08
  6. Step 6: Final answer
    x = 7,310.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.