Home / 5,547.15-8,320.41-3,994.38

Finding the Fourth Proportional to 5,547.15, 8,320.41 and 3,994.38

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Solution

The fourth proportional to 5,547.15, 8,320.41 and 3,994.38 is: 5,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.15 : 8,320.41 = 3,994.38 : x
  2. Step 2: Convert to fraction form
    5,547.15/8,320.41 = 3,994.38/x
  3. Step 3: Cross multiply
    5,547.15x = 8,320.41 × 3,994.38
  4. Step 4: Simplify right side
    5,547.15x = 33,234,879.30
  5. Step 5: Solve for x
    x = 33,234,879.30/5,547.15
  6. Step 6: Final answer
    x = 5,991.34

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1.5x scale

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.