Home / 6,989.97-10,482.15-3,091.65

Finding the Fourth Proportional to 6,989.97, 10,482.15 and 3,091.65

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Solution

The fourth proportional to 6,989.97, 10,482.15 and 3,091.65 is: 4,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.97 : 10,482.15 = 3,091.65 : x
  2. Step 2: Convert to fraction form
    6,989.97/10,482.15 = 3,091.65/x
  3. Step 3: Cross multiply
    6,989.97x = 10,482.15 × 3,091.65
  4. Step 4: Simplify right side
    6,989.97x = 32,407,139.05
  5. Step 5: Solve for x
    x = 32,407,139.05/6,989.97
  6. Step 6: Final answer
    x = 4,636.23

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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.