Home / 4,488.72-6,720.66-2,292.72

Finding the Fourth Proportional to 4,488.72, 6,720.66 and 2,292.72

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Solution

The fourth proportional to 4,488.72, 6,720.66 and 2,292.72 is: 3,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.72 : 6,720.66 = 2,292.72 : x
  2. Step 2: Convert to fraction form
    4,488.72/6,720.66 = 2,292.72/x
  3. Step 3: Cross multiply
    4,488.72x = 6,720.66 × 2,292.72
  4. Step 4: Simplify right side
    4,488.72x = 15,408,591.60
  5. Step 5: Solve for x
    x = 15,408,591.60/4,488.72
  6. Step 6: Final answer
    x = 3,432.74

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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.