Home / 4,458.60-6,150.94-2,689.20

Finding the Fourth Proportional to 4,458.60, 6,150.94 and 2,689.20

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Solution

The fourth proportional to 4,458.60, 6,150.94 and 2,689.20 is: 3,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.60 : 6,150.94 = 2,689.20 : x
  2. Step 2: Convert to fraction form
    4,458.60/6,150.94 = 2,689.20/x
  3. Step 3: Cross multiply
    4,458.60x = 6,150.94 × 2,689.20
  4. Step 4: Simplify right side
    4,458.60x = 16,541,101.13
  5. Step 5: Solve for x
    x = 16,541,101.13/4,458.60
  6. Step 6: Final answer
    x = 3,709.93

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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.