Home / 6,999.80-10,487.55-5,906.30

Finding the Fourth Proportional to 6,999.80, 10,487.55 and 5,906.30

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Solution

The fourth proportional to 6,999.80, 10,487.55 and 5,906.30 is: 8,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.80 : 10,487.55 = 5,906.30 : x
  2. Step 2: Convert to fraction form
    6,999.80/10,487.55 = 5,906.30/x
  3. Step 3: Cross multiply
    6,999.80x = 10,487.55 × 5,906.30
  4. Step 4: Simplify right side
    6,999.80x = 61,942,616.57
  5. Step 5: Solve for x
    x = 61,942,616.57/6,999.80
  6. Step 6: Final answer
    x = 8,849.20

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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.