Home / 4,488.60-6,193.62-2,720.40

Finding the Fourth Proportional to 4,488.60, 6,193.62 and 2,720.40

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Solution

The fourth proportional to 4,488.60, 6,193.62 and 2,720.40 is: 3,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.60 : 6,193.62 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,488.60/6,193.62 = 2,720.40/x
  3. Step 3: Cross multiply
    4,488.60x = 6,193.62 × 2,720.40
  4. Step 4: Simplify right side
    4,488.60x = 16,849,123.85
  5. Step 5: Solve for x
    x = 16,849,123.85/4,488.60
  6. Step 6: Final answer
    x = 3,753.76

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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.