Home / 6,999.08-10,500.24-2,318.90

Finding the Fourth Proportional to 6,999.08, 10,500.24 and 2,318.90

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Solution

The fourth proportional to 6,999.08, 10,500.24 and 2,318.90 is: 3,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.08 : 10,500.24 = 2,318.90 : x
  2. Step 2: Convert to fraction form
    6,999.08/10,500.24 = 2,318.90/x
  3. Step 3: Cross multiply
    6,999.08x = 10,500.24 × 2,318.90
  4. Step 4: Simplify right side
    6,999.08x = 24,349,006.54
  5. Step 5: Solve for x
    x = 24,349,006.54/6,999.08
  6. Step 6: Final answer
    x = 3,478.89

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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.