Home / 9,320.81-13,976.89-3,475.85

Finding the Fourth Proportional to 9,320.81, 13,976.89 and 3,475.85

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Solution

The fourth proportional to 9,320.81, 13,976.89 and 3,475.85 is: 5,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.81 : 13,976.89 = 3,475.85 : x
  2. Step 2: Convert to fraction form
    9,320.81/13,976.89 = 3,475.85/x
  3. Step 3: Cross multiply
    9,320.81x = 13,976.89 × 3,475.85
  4. Step 4: Simplify right side
    9,320.81x = 48,581,494.53
  5. Step 5: Solve for x
    x = 48,581,494.53/9,320.81
  6. Step 6: Final answer
    x = 5,212.16

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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.