Home / 5,291.13-7,936.70-1,395.57

Finding the Fourth Proportional to 5,291.13, 7,936.70 and 1,395.57

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Solution

The fourth proportional to 5,291.13, 7,936.70 and 1,395.57 is: 2,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.13 : 7,936.70 = 1,395.57 : x
  2. Step 2: Convert to fraction form
    5,291.13/7,936.70 = 1,395.57/x
  3. Step 3: Cross multiply
    5,291.13x = 7,936.70 × 1,395.57
  4. Step 4: Simplify right side
    5,291.13x = 11,076,213.44
  5. Step 5: Solve for x
    x = 11,076,213.44/5,291.13
  6. Step 6: Final answer
    x = 2,093.36

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Similar ratio
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1.5x scale

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.