Home / 5,257.77-7,256.55-3,161.89

Finding the Fourth Proportional to 5,257.77, 7,256.55 and 3,161.89

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Solution

The fourth proportional to 5,257.77, 7,256.55 and 3,161.89 is: 4,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.77 : 7,256.55 = 3,161.89 : x
  2. Step 2: Convert to fraction form
    5,257.77/7,256.55 = 3,161.89/x
  3. Step 3: Cross multiply
    5,257.77x = 7,256.55 × 3,161.89
  4. Step 4: Simplify right side
    5,257.77x = 22,944,412.88
  5. Step 5: Solve for x
    x = 22,944,412.88/5,257.77
  6. Step 6: Final answer
    x = 4,363.91

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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.