Home / 5,669.44-8,488.38-4,278.56

Finding the Fourth Proportional to 5,669.44, 8,488.38 and 4,278.56

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Solution

The fourth proportional to 5,669.44, 8,488.38 and 4,278.56 is: 6,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.44 : 8,488.38 = 4,278.56 : x
  2. Step 2: Convert to fraction form
    5,669.44/8,488.38 = 4,278.56/x
  3. Step 3: Cross multiply
    5,669.44x = 8,488.38 × 4,278.56
  4. Step 4: Simplify right side
    5,669.44x = 36,318,043.13
  5. Step 5: Solve for x
    x = 36,318,043.13/5,669.44
  6. Step 6: Final answer
    x = 6,405.93

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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.