Home / 7,864.66-11,792.04-3,702.16

Finding the Fourth Proportional to 7,864.66, 11,792.04 and 3,702.16

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Solution

The fourth proportional to 7,864.66, 11,792.04 and 3,702.16 is: 5,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.66 : 11,792.04 = 3,702.16 : x
  2. Step 2: Convert to fraction form
    7,864.66/11,792.04 = 3,702.16/x
  3. Step 3: Cross multiply
    7,864.66x = 11,792.04 × 3,702.16
  4. Step 4: Simplify right side
    7,864.66x = 43,656,018.81
  5. Step 5: Solve for x
    x = 43,656,018.81/7,864.66
  6. Step 6: Final answer
    x = 5,550.91

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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.