Home / 10,622.40-15,934.20-3,227.10

Finding the Fourth Proportional to 10,622.40, 15,934.20 and 3,227.10

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Solution

The fourth proportional to 10,622.40, 15,934.20 and 3,227.10 is: 4,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.40 : 15,934.20 = 3,227.10 : x
  2. Step 2: Convert to fraction form
    10,622.40/15,934.20 = 3,227.10/x
  3. Step 3: Cross multiply
    10,622.40x = 15,934.20 × 3,227.10
  4. Step 4: Simplify right side
    10,622.40x = 51,421,256.82
  5. Step 5: Solve for x
    x = 51,421,256.82/10,622.40
  6. Step 6: Final answer
    x = 4,840.83

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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.