Home / 5,288.65-7,934.82-3,312.02

Finding the Fourth Proportional to 5,288.65, 7,934.82 and 3,312.02

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Solution

The fourth proportional to 5,288.65, 7,934.82 and 3,312.02 is: 4,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.65 : 7,934.82 = 3,312.02 : x
  2. Step 2: Convert to fraction form
    5,288.65/7,934.82 = 3,312.02/x
  3. Step 3: Cross multiply
    5,288.65x = 7,934.82 × 3,312.02
  4. Step 4: Simplify right side
    5,288.65x = 26,280,282.54
  5. Step 5: Solve for x
    x = 26,280,282.54/5,288.65
  6. Step 6: Final answer
    x = 4,969.19

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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.