Home / 4,818.14-7,223.28-2,147.77

Finding the Fourth Proportional to 4,818.14, 7,223.28 and 2,147.77

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Solution

The fourth proportional to 4,818.14, 7,223.28 and 2,147.77 is: 3,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.14 : 7,223.28 = 2,147.77 : x
  2. Step 2: Convert to fraction form
    4,818.14/7,223.28 = 2,147.77/x
  3. Step 3: Cross multiply
    4,818.14x = 7,223.28 × 2,147.77
  4. Step 4: Simplify right side
    4,818.14x = 15,513,944.09
  5. Step 5: Solve for x
    x = 15,513,944.09/4,818.14
  6. Step 6: Final answer
    x = 3,219.90

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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.