Home / 5,680.81-8,525.11-1,983.04

Finding the Fourth Proportional to 5,680.81, 8,525.11 and 1,983.04

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Solution

The fourth proportional to 5,680.81, 8,525.11 and 1,983.04 is: 2,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.81 : 8,525.11 = 1,983.04 : x
  2. Step 2: Convert to fraction form
    5,680.81/8,525.11 = 1,983.04/x
  3. Step 3: Cross multiply
    5,680.81x = 8,525.11 × 1,983.04
  4. Step 4: Simplify right side
    5,680.81x = 16,905,642.31
  5. Step 5: Solve for x
    x = 16,905,642.31/5,680.81
  6. Step 6: Final answer
    x = 2,975.92

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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.