Home / 4,247.01-6,401.97-3,521.21

Finding the Fourth Proportional to 4,247.01, 6,401.97 and 3,521.21

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Solution

The fourth proportional to 4,247.01, 6,401.97 and 3,521.21 is: 5,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.01 : 6,401.97 = 3,521.21 : x
  2. Step 2: Convert to fraction form
    4,247.01/6,401.97 = 3,521.21/x
  3. Step 3: Cross multiply
    4,247.01x = 6,401.97 × 3,521.21
  4. Step 4: Simplify right side
    4,247.01x = 22,542,648.77
  5. Step 5: Solve for x
    x = 22,542,648.77/4,247.01
  6. Step 6: Final answer
    x = 5,307.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.