Home / 6,999.18-10,495.80-2,613.57

Finding the Fourth Proportional to 6,999.18, 10,495.80 and 2,613.57

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Solution

The fourth proportional to 6,999.18, 10,495.80 and 2,613.57 is: 3,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.18 : 10,495.80 = 2,613.57 : x
  2. Step 2: Convert to fraction form
    6,999.18/10,495.80 = 2,613.57/x
  3. Step 3: Cross multiply
    6,999.18x = 10,495.80 × 2,613.57
  4. Step 4: Simplify right side
    6,999.18x = 27,431,508.01
  5. Step 5: Solve for x
    x = 27,431,508.01/6,999.18
  6. Step 6: Final answer
    x = 3,919.25

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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.