Home / 6,860.66-10,291.54-2,478.56

Finding the Fourth Proportional to 6,860.66, 10,291.54 and 2,478.56

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Solution

The fourth proportional to 6,860.66, 10,291.54 and 2,478.56 is: 3,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.66 : 10,291.54 = 2,478.56 : x
  2. Step 2: Convert to fraction form
    6,860.66/10,291.54 = 2,478.56/x
  3. Step 3: Cross multiply
    6,860.66x = 10,291.54 × 2,478.56
  4. Step 4: Simplify right side
    6,860.66x = 25,508,199.38
  5. Step 5: Solve for x
    x = 25,508,199.38/6,860.66
  6. Step 6: Final answer
    x = 3,718.04

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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.