Home / 4,458.92-6,688.76-1,338.71

Finding the Fourth Proportional to 4,458.92, 6,688.76 and 1,338.71

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Solution

The fourth proportional to 4,458.92, 6,688.76 and 1,338.71 is: 2,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.92 : 6,688.76 = 1,338.71 : x
  2. Step 2: Convert to fraction form
    4,458.92/6,688.76 = 1,338.71/x
  3. Step 3: Cross multiply
    4,458.92x = 6,688.76 × 1,338.71
  4. Step 4: Simplify right side
    4,458.92x = 8,954,269.76
  5. Step 5: Solve for x
    x = 8,954,269.76/4,458.92
  6. Step 6: Final answer
    x = 2,008.17

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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.