Home / 5,250.50-7,872.90-2,612.22

Finding the Fourth Proportional to 5,250.50, 7,872.90 and 2,612.22

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Solution

The fourth proportional to 5,250.50, 7,872.90 and 2,612.22 is: 3,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.50 : 7,872.90 = 2,612.22 : x
  2. Step 2: Convert to fraction form
    5,250.50/7,872.90 = 2,612.22/x
  3. Step 3: Cross multiply
    5,250.50x = 7,872.90 × 2,612.22
  4. Step 4: Simplify right side
    5,250.50x = 20,565,746.84
  5. Step 5: Solve for x
    x = 20,565,746.84/5,250.50
  6. Step 6: Final answer
    x = 3,916.91

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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.