Home / 9,787.22-13,506.36-5,310.96

Finding the Fourth Proportional to 9,787.22, 13,506.36 and 5,310.96

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Solution

The fourth proportional to 9,787.22, 13,506.36 and 5,310.96 is: 7,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.22 : 13,506.36 = 5,310.96 : x
  2. Step 2: Convert to fraction form
    9,787.22/13,506.36 = 5,310.96/x
  3. Step 3: Cross multiply
    9,787.22x = 13,506.36 × 5,310.96
  4. Step 4: Simplify right side
    9,787.22x = 71,731,737.71
  5. Step 5: Solve for x
    x = 71,731,737.71/9,787.22
  6. Step 6: Final answer
    x = 7,329.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.