Home / 8,317.31-12,477.96-2,770.70

Finding the Fourth Proportional to 8,317.31, 12,477.96 and 2,770.70

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Solution

The fourth proportional to 8,317.31, 12,477.96 and 2,770.70 is: 4,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.31 : 12,477.96 = 2,770.70 : x
  2. Step 2: Convert to fraction form
    8,317.31/12,477.96 = 2,770.70/x
  3. Step 3: Cross multiply
    8,317.31x = 12,477.96 × 2,770.70
  4. Step 4: Simplify right side
    8,317.31x = 34,572,683.77
  5. Step 5: Solve for x
    x = 34,572,683.77/8,317.31
  6. Step 6: Final answer
    x = 4,156.71

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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.