Home / 5,569.88-7,686.44-3,212.18

Finding the Fourth Proportional to 5,569.88, 7,686.44 and 3,212.18

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Solution

The fourth proportional to 5,569.88, 7,686.44 and 3,212.18 is: 4,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.88 : 7,686.44 = 3,212.18 : x
  2. Step 2: Convert to fraction form
    5,569.88/7,686.44 = 3,212.18/x
  3. Step 3: Cross multiply
    5,569.88x = 7,686.44 × 3,212.18
  4. Step 4: Simplify right side
    5,569.88x = 24,690,228.84
  5. Step 5: Solve for x
    x = 24,690,228.84/5,569.88
  6. Step 6: Final answer
    x = 4,432.81

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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.