Home / 5,220.17-7,821.14-4,348.27

Finding the Fourth Proportional to 5,220.17, 7,821.14 and 4,348.27

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Solution

The fourth proportional to 5,220.17, 7,821.14 and 4,348.27 is: 6,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.17 : 7,821.14 = 4,348.27 : x
  2. Step 2: Convert to fraction form
    5,220.17/7,821.14 = 4,348.27/x
  3. Step 3: Cross multiply
    5,220.17x = 7,821.14 × 4,348.27
  4. Step 4: Simplify right side
    5,220.17x = 34,008,416.46
  5. Step 5: Solve for x
    x = 34,008,416.46/5,220.17
  6. Step 6: Final answer
    x = 6,514.81

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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.