Home / 4,015.68-5,545.44-2,621.76

Finding the Fourth Proportional to 4,015.68, 5,545.44 and 2,621.76

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Solution

The fourth proportional to 4,015.68, 5,545.44 and 2,621.76 is: 3,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.68 : 5,545.44 = 2,621.76 : x
  2. Step 2: Convert to fraction form
    4,015.68/5,545.44 = 2,621.76/x
  3. Step 3: Cross multiply
    4,015.68x = 5,545.44 × 2,621.76
  4. Step 4: Simplify right side
    4,015.68x = 14,538,812.77
  5. Step 5: Solve for x
    x = 14,538,812.77/4,015.68
  6. Step 6: Final answer
    x = 3,620.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.