Home / 6,899.01-9,519.85-4,066.19

Finding the Fourth Proportional to 6,899.01, 9,519.85 and 4,066.19

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Solution

The fourth proportional to 6,899.01, 9,519.85 and 4,066.19 is: 5,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.01 : 9,519.85 = 4,066.19 : x
  2. Step 2: Convert to fraction form
    6,899.01/9,519.85 = 4,066.19/x
  3. Step 3: Cross multiply
    6,899.01x = 9,519.85 × 4,066.19
  4. Step 4: Simplify right side
    6,899.01x = 38,709,518.87
  5. Step 5: Solve for x
    x = 38,709,518.87/6,899.01
  6. Step 6: Final answer
    x = 5,610.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.