Home / 9,278.46-12,804.44-5,086.71

Finding the Fourth Proportional to 9,278.46, 12,804.44 and 5,086.71

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Solution

The fourth proportional to 9,278.46, 12,804.44 and 5,086.71 is: 7,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.46 : 12,804.44 = 5,086.71 : x
  2. Step 2: Convert to fraction form
    9,278.46/12,804.44 = 5,086.71/x
  3. Step 3: Cross multiply
    9,278.46x = 12,804.44 × 5,086.71
  4. Step 4: Simplify right side
    9,278.46x = 65,132,447.56
  5. Step 5: Solve for x
    x = 65,132,447.56/9,278.46
  6. Step 6: Final answer
    x = 7,019.75

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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.