Home / 5,877.46-8,817.51-1,981.75

Finding the Fourth Proportional to 5,877.46, 8,817.51 and 1,981.75

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Solution

The fourth proportional to 5,877.46, 8,817.51 and 1,981.75 is: 2,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.46 : 8,817.51 = 1,981.75 : x
  2. Step 2: Convert to fraction form
    5,877.46/8,817.51 = 1,981.75/x
  3. Step 3: Cross multiply
    5,877.46x = 8,817.51 × 1,981.75
  4. Step 4: Simplify right side
    5,877.46x = 17,474,100.44
  5. Step 5: Solve for x
    x = 17,474,100.44/5,877.46
  6. Step 6: Final answer
    x = 2,973.07

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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.