Home / 9,311.84-12,849.26-5,332.72

Finding the Fourth Proportional to 9,311.84, 12,849.26 and 5,332.72

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Solution

The fourth proportional to 9,311.84, 12,849.26 and 5,332.72 is: 7,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.84 : 12,849.26 = 5,332.72 : x
  2. Step 2: Convert to fraction form
    9,311.84/12,849.26 = 5,332.72/x
  3. Step 3: Cross multiply
    9,311.84x = 12,849.26 × 5,332.72
  4. Step 4: Simplify right side
    9,311.84x = 68,521,505.79
  5. Step 5: Solve for x
    x = 68,521,505.79/9,311.84
  6. Step 6: Final answer
    x = 7,358.54

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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.