Home / 5,311.36-7,967.60-1,801.28

Finding the Fourth Proportional to 5,311.36, 7,967.60 and 1,801.28

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Solution

The fourth proportional to 5,311.36, 7,967.60 and 1,801.28 is: 2,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.36 : 7,967.60 = 1,801.28 : x
  2. Step 2: Convert to fraction form
    5,311.36/7,967.60 = 1,801.28/x
  3. Step 3: Cross multiply
    5,311.36x = 7,967.60 × 1,801.28
  4. Step 4: Simplify right side
    5,311.36x = 14,351,878.53
  5. Step 5: Solve for x
    x = 14,351,878.53/5,311.36
  6. Step 6: Final answer
    x = 2,702.11

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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.