Home / 9,286.16-12,814.88-5,309.46

Finding the Fourth Proportional to 9,286.16, 12,814.88 and 5,309.46

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Solution

The fourth proportional to 9,286.16, 12,814.88 and 5,309.46 is: 7,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.16 : 12,814.88 = 5,309.46 : x
  2. Step 2: Convert to fraction form
    9,286.16/12,814.88 = 5,309.46/x
  3. Step 3: Cross multiply
    9,286.16x = 12,814.88 × 5,309.46
  4. Step 4: Simplify right side
    9,286.16x = 68,040,066.22
  5. Step 5: Solve for x
    x = 68,040,066.22/9,286.16
  6. Step 6: Final answer
    x = 7,327.04

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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.