Home / 7,348.65-11,003.54-3,878.61

Finding the Fourth Proportional to 7,348.65, 11,003.54 and 3,878.61

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Solution

The fourth proportional to 7,348.65, 11,003.54 and 3,878.61 is: 5,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.65 : 11,003.54 = 3,878.61 : x
  2. Step 2: Convert to fraction form
    7,348.65/11,003.54 = 3,878.61/x
  3. Step 3: Cross multiply
    7,348.65x = 11,003.54 × 3,878.61
  4. Step 4: Simplify right side
    7,348.65x = 42,678,420.89
  5. Step 5: Solve for x
    x = 42,678,420.89/7,348.65
  6. Step 6: Final answer
    x = 5,807.65

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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.