Home / 5,809.31-8,016.80-3,156.69

Finding the Fourth Proportional to 5,809.31, 8,016.80 and 3,156.69

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Solution

The fourth proportional to 5,809.31, 8,016.80 and 3,156.69 is: 4,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.31 : 8,016.80 = 3,156.69 : x
  2. Step 2: Convert to fraction form
    5,809.31/8,016.80 = 3,156.69/x
  3. Step 3: Cross multiply
    5,809.31x = 8,016.80 × 3,156.69
  4. Step 4: Simplify right side
    5,809.31x = 25,306,552.39
  5. Step 5: Solve for x
    x = 25,306,552.39/5,809.31
  6. Step 6: Final answer
    x = 4,356.21

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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.