Home / 6,860.71-10,290.27-2,912.56

Finding the Fourth Proportional to 6,860.71, 10,290.27 and 2,912.56

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Solution

The fourth proportional to 6,860.71, 10,290.27 and 2,912.56 is: 4,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.71 : 10,290.27 = 2,912.56 : x
  2. Step 2: Convert to fraction form
    6,860.71/10,290.27 = 2,912.56/x
  3. Step 3: Cross multiply
    6,860.71x = 10,290.27 × 2,912.56
  4. Step 4: Simplify right side
    6,860.71x = 29,971,028.79
  5. Step 5: Solve for x
    x = 29,971,028.79/6,860.71
  6. Step 6: Final answer
    x = 4,368.50

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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.