Home / 7,106.28-10,659.30-2,175.72

Finding the Fourth Proportional to 7,106.28, 10,659.30 and 2,175.72

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Solution

The fourth proportional to 7,106.28, 10,659.30 and 2,175.72 is: 3,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.28 : 10,659.30 = 2,175.72 : x
  2. Step 2: Convert to fraction form
    7,106.28/10,659.30 = 2,175.72/x
  3. Step 3: Cross multiply
    7,106.28x = 10,659.30 × 2,175.72
  4. Step 4: Simplify right side
    7,106.28x = 23,191,652.20
  5. Step 5: Solve for x
    x = 23,191,652.20/7,106.28
  6. Step 6: Final answer
    x = 3,263.54

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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.