Home / 9,427.92-14,147-3,880.40

Finding the Fourth Proportional to 9,427.92, 14,147 and 3,880.40

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Solution

The fourth proportional to 9,427.92, 14,147 and 3,880.40 is: 5,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.92 : 14,147 = 3,880.40 : x
  2. Step 2: Convert to fraction form
    9,427.92/14,147 = 3,880.40/x
  3. Step 3: Cross multiply
    9,427.92x = 14,147 × 3,880.40
  4. Step 4: Simplify right side
    9,427.92x = 54,896,018.80
  5. Step 5: Solve for x
    x = 54,896,018.80/9,427.92
  6. Step 6: Final answer
    x = 5,822.71

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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.