Home / 5,220.74-7,204.36-2,862.82

Finding the Fourth Proportional to 5,220.74, 7,204.36 and 2,862.82

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Solution

The fourth proportional to 5,220.74, 7,204.36 and 2,862.82 is: 3,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.74 : 7,204.36 = 2,862.82 : x
  2. Step 2: Convert to fraction form
    5,220.74/7,204.36 = 2,862.82/x
  3. Step 3: Cross multiply
    5,220.74x = 7,204.36 × 2,862.82
  4. Step 4: Simplify right side
    5,220.74x = 20,624,785.90
  5. Step 5: Solve for x
    x = 20,624,785.90/5,220.74
  6. Step 6: Final answer
    x = 3,950.55

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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.