Home / 7,716.41-11,574.56-2,169.72

Finding the Fourth Proportional to 7,716.41, 11,574.56 and 2,169.72

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Solution

The fourth proportional to 7,716.41, 11,574.56 and 2,169.72 is: 3,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.41 : 11,574.56 = 2,169.72 : x
  2. Step 2: Convert to fraction form
    7,716.41/11,574.56 = 2,169.72/x
  3. Step 3: Cross multiply
    7,716.41x = 11,574.56 × 2,169.72
  4. Step 4: Simplify right side
    7,716.41x = 25,113,554.32
  5. Step 5: Solve for x
    x = 25,113,554.32/7,716.41
  6. Step 6: Final answer
    x = 3,254.56

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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.