Home / 5,301.21-7,951.83-1,405.32

Finding the Fourth Proportional to 5,301.21, 7,951.83 and 1,405.32

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Solution

The fourth proportional to 5,301.21, 7,951.83 and 1,405.32 is: 2,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.21 : 7,951.83 = 1,405.32 : x
  2. Step 2: Convert to fraction form
    5,301.21/7,951.83 = 1,405.32/x
  3. Step 3: Cross multiply
    5,301.21x = 7,951.83 × 1,405.32
  4. Step 4: Simplify right side
    5,301.21x = 11,174,865.74
  5. Step 5: Solve for x
    x = 11,174,865.74/5,301.21
  6. Step 6: Final answer
    x = 2,107.98

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Similar ratio
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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.