Home / 9,324.28-13,979.94-4,389.76

Finding the Fourth Proportional to 9,324.28, 13,979.94 and 4,389.76

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Solution

The fourth proportional to 9,324.28, 13,979.94 and 4,389.76 is: 6,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.28 : 13,979.94 = 4,389.76 : x
  2. Step 2: Convert to fraction form
    9,324.28/13,979.94 = 4,389.76/x
  3. Step 3: Cross multiply
    9,324.28x = 13,979.94 × 4,389.76
  4. Step 4: Simplify right side
    9,324.28x = 61,368,581.41
  5. Step 5: Solve for x
    x = 61,368,581.41/9,324.28
  6. Step 6: Final answer
    x = 6,581.59

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1.5x scale

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.