Home / 4,616.90-6,920.57-2,149.70

Finding the Fourth Proportional to 4,616.90, 6,920.57 and 2,149.70

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Solution

The fourth proportional to 4,616.90, 6,920.57 and 2,149.70 is: 3,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,616.90 : 6,920.57 = 2,149.70 : x
  2. Step 2: Convert to fraction form
    4,616.90/6,920.57 = 2,149.70/x
  3. Step 3: Cross multiply
    4,616.90x = 6,920.57 × 2,149.70
  4. Step 4: Simplify right side
    4,616.90x = 14,877,120.10
  5. Step 5: Solve for x
    x = 14,877,120.10/4,616.90
  6. Step 6: Final answer
    x = 3,222.31

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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.