Home / 6,142.45-9,214.35-2,247.70

Finding the Fourth Proportional to 6,142.45, 9,214.35 and 2,247.70

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Solution

The fourth proportional to 6,142.45, 9,214.35 and 2,247.70 is: 3,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.45 : 9,214.35 = 2,247.70 : x
  2. Step 2: Convert to fraction form
    6,142.45/9,214.35 = 2,247.70/x
  3. Step 3: Cross multiply
    6,142.45x = 9,214.35 × 2,247.70
  4. Step 4: Simplify right side
    6,142.45x = 20,711,094.50
  5. Step 5: Solve for x
    x = 20,711,094.50/6,142.45
  6. Step 6: Final answer
    x = 3,371.80

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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.