Home / 7,107.30-10,659.60-2,177.10

Finding the Fourth Proportional to 7,107.30, 10,659.60 and 2,177.10

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Solution

The fourth proportional to 7,107.30, 10,659.60 and 2,177.10 is: 3,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.30 : 10,659.60 = 2,177.10 : x
  2. Step 2: Convert to fraction form
    7,107.30/10,659.60 = 2,177.10/x
  3. Step 3: Cross multiply
    7,107.30x = 10,659.60 × 2,177.10
  4. Step 4: Simplify right side
    7,107.30x = 23,207,015.16
  5. Step 5: Solve for x
    x = 23,207,015.16/7,107.30
  6. Step 6: Final answer
    x = 3,265.24

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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.