Home / 5,432.51-8,142.34-2,310.63

Finding the Fourth Proportional to 5,432.51, 8,142.34 and 2,310.63

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Solution

The fourth proportional to 5,432.51, 8,142.34 and 2,310.63 is: 3,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.51 : 8,142.34 = 2,310.63 : x
  2. Step 2: Convert to fraction form
    5,432.51/8,142.34 = 2,310.63/x
  3. Step 3: Cross multiply
    5,432.51x = 8,142.34 × 2,310.63
  4. Step 4: Simplify right side
    5,432.51x = 18,813,935.07
  5. Step 5: Solve for x
    x = 18,813,935.07/5,432.51
  6. Step 6: Final answer
    x = 3,463.21

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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.