Home / 5,820.46-8,731.23-2,123.08

Finding the Fourth Proportional to 5,820.46, 8,731.23 and 2,123.08

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Solution

The fourth proportional to 5,820.46, 8,731.23 and 2,123.08 is: 3,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.46 : 8,731.23 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    5,820.46/8,731.23 = 2,123.08/x
  3. Step 3: Cross multiply
    5,820.46x = 8,731.23 × 2,123.08
  4. Step 4: Simplify right side
    5,820.46x = 18,537,099.79
  5. Step 5: Solve for x
    x = 18,537,099.79/5,820.46
  6. Step 6: Final answer
    x = 3,184.82

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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.