Home / 8,506.30-12,760.98-3,505.89

Finding the Fourth Proportional to 8,506.30, 12,760.98 and 3,505.89

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Solution

The fourth proportional to 8,506.30, 12,760.98 and 3,505.89 is: 5,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.30 : 12,760.98 = 3,505.89 : x
  2. Step 2: Convert to fraction form
    8,506.30/12,760.98 = 3,505.89/x
  3. Step 3: Cross multiply
    8,506.30x = 12,760.98 × 3,505.89
  4. Step 4: Simplify right side
    8,506.30x = 44,738,592.17
  5. Step 5: Solve for x
    x = 44,738,592.17/8,506.30
  6. Step 6: Final answer
    x = 5,259.47

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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.