Home / 6,220.45-9,320.17-5,239.95

Finding the Fourth Proportional to 6,220.45, 9,320.17 and 5,239.95

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Solution

The fourth proportional to 6,220.45, 9,320.17 and 5,239.95 is: 7,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.45 : 9,320.17 = 5,239.95 : x
  2. Step 2: Convert to fraction form
    6,220.45/9,320.17 = 5,239.95/x
  3. Step 3: Cross multiply
    6,220.45x = 9,320.17 × 5,239.95
  4. Step 4: Simplify right side
    6,220.45x = 48,837,224.79
  5. Step 5: Solve for x
    x = 48,837,224.79/6,220.45
  6. Step 6: Final answer
    x = 7,851.08

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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.