Home / 5,569.36-7,685.51-3,179.45

Finding the Fourth Proportional to 5,569.36, 7,685.51 and 3,179.45

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Solution

The fourth proportional to 5,569.36, 7,685.51 and 3,179.45 is: 4,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.36 : 7,685.51 = 3,179.45 : x
  2. Step 2: Convert to fraction form
    5,569.36/7,685.51 = 3,179.45/x
  3. Step 3: Cross multiply
    5,569.36x = 7,685.51 × 3,179.45
  4. Step 4: Simplify right side
    5,569.36x = 24,435,698.09
  5. Step 5: Solve for x
    x = 24,435,698.09/5,569.36
  6. Step 6: Final answer
    x = 4,387.53

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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.