Home / 9,856.28-13,601.16-5,379.99

Finding the Fourth Proportional to 9,856.28, 13,601.16 and 5,379.99

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Solution

The fourth proportional to 9,856.28, 13,601.16 and 5,379.99 is: 7,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.28 : 13,601.16 = 5,379.99 : x
  2. Step 2: Convert to fraction form
    9,856.28/13,601.16 = 5,379.99/x
  3. Step 3: Cross multiply
    9,856.28x = 13,601.16 × 5,379.99
  4. Step 4: Simplify right side
    9,856.28x = 73,174,104.79
  5. Step 5: Solve for x
    x = 73,174,104.79/9,856.28
  6. Step 6: Final answer
    x = 7,424.11

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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.