Home / 5,151.15-7,722.14-2,228.45

Finding the Fourth Proportional to 5,151.15, 7,722.14 and 2,228.45

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Solution

The fourth proportional to 5,151.15, 7,722.14 and 2,228.45 is: 3,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.15 : 7,722.14 = 2,228.45 : x
  2. Step 2: Convert to fraction form
    5,151.15/7,722.14 = 2,228.45/x
  3. Step 3: Cross multiply
    5,151.15x = 7,722.14 × 2,228.45
  4. Step 4: Simplify right side
    5,151.15x = 17,208,353.13
  5. Step 5: Solve for x
    x = 17,208,353.13/5,151.15
  6. Step 6: Final answer
    x = 3,340.68

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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.