Home / 8,640.04-12,952.38-3,371.40

Finding the Fourth Proportional to 8,640.04, 12,952.38 and 3,371.40

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Solution

The fourth proportional to 8,640.04, 12,952.38 and 3,371.40 is: 5,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.04 : 12,952.38 = 3,371.40 : x
  2. Step 2: Convert to fraction form
    8,640.04/12,952.38 = 3,371.40/x
  3. Step 3: Cross multiply
    8,640.04x = 12,952.38 × 3,371.40
  4. Step 4: Simplify right side
    8,640.04x = 43,667,653.93
  5. Step 5: Solve for x
    x = 43,667,653.93/8,640.04
  6. Step 6: Final answer
    x = 5,054.10

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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.