Home / 6,860.79-10,291.19-1,666.66

Finding the Fourth Proportional to 6,860.79, 10,291.19 and 1,666.66

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Solution

The fourth proportional to 6,860.79, 10,291.19 and 1,666.66 is: 2,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.79 : 10,291.19 = 1,666.66 : x
  2. Step 2: Convert to fraction form
    6,860.79/10,291.19 = 1,666.66/x
  3. Step 3: Cross multiply
    6,860.79x = 10,291.19 × 1,666.66
  4. Step 4: Simplify right side
    6,860.79x = 17,151,906.39
  5. Step 5: Solve for x
    x = 17,151,906.39/6,860.79
  6. Step 6: Final answer
    x = 2,499.99

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Similar ratio
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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.