Home / 7,787.34-11,683.98-3,345.98

Finding the Fourth Proportional to 7,787.34, 11,683.98 and 3,345.98

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Solution

The fourth proportional to 7,787.34, 11,683.98 and 3,345.98 is: 5,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.34 : 11,683.98 = 3,345.98 : x
  2. Step 2: Convert to fraction form
    7,787.34/11,683.98 = 3,345.98/x
  3. Step 3: Cross multiply
    7,787.34x = 11,683.98 × 3,345.98
  4. Step 4: Simplify right side
    7,787.34x = 39,094,304.98
  5. Step 5: Solve for x
    x = 39,094,304.98/7,787.34
  6. Step 6: Final answer
    x = 5,020.24

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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.