Home / 7,883.76-11,827.80-2,690.04

Finding the Fourth Proportional to 7,883.76, 11,827.80 and 2,690.04

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Solution

The fourth proportional to 7,883.76, 11,827.80 and 2,690.04 is: 4,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.76 : 11,827.80 = 2,690.04 : x
  2. Step 2: Convert to fraction form
    7,883.76/11,827.80 = 2,690.04/x
  3. Step 3: Cross multiply
    7,883.76x = 11,827.80 × 2,690.04
  4. Step 4: Simplify right side
    7,883.76x = 31,817,255.11
  5. Step 5: Solve for x
    x = 31,817,255.11/7,883.76
  6. Step 6: Final answer
    x = 4,035.80

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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.