Home / 4,458.24-6,151.80-2,689.20

Finding the Fourth Proportional to 4,458.24, 6,151.80 and 2,689.20

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Solution

The fourth proportional to 4,458.24, 6,151.80 and 2,689.20 is: 3,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.24 : 6,151.80 = 2,689.20 : x
  2. Step 2: Convert to fraction form
    4,458.24/6,151.80 = 2,689.20/x
  3. Step 3: Cross multiply
    4,458.24x = 6,151.80 × 2,689.20
  4. Step 4: Simplify right side
    4,458.24x = 16,543,420.56
  5. Step 5: Solve for x
    x = 16,543,420.56/4,458.24
  6. Step 6: Final answer
    x = 3,710.75

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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.