Home / 4,638.57-6,401.33-2,542.70

Finding the Fourth Proportional to 4,638.57, 6,401.33 and 2,542.70

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Solution

The fourth proportional to 4,638.57, 6,401.33 and 2,542.70 is: 3,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.57 : 6,401.33 = 2,542.70 : x
  2. Step 2: Convert to fraction form
    4,638.57/6,401.33 = 2,542.70/x
  3. Step 3: Cross multiply
    4,638.57x = 6,401.33 × 2,542.70
  4. Step 4: Simplify right side
    4,638.57x = 16,276,617.07
  5. Step 5: Solve for x
    x = 16,276,617.07/4,638.57
  6. Step 6: Final answer
    x = 3,508.97

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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.