Home / 5,291.02-7,936.64-1,395.13

Finding the Fourth Proportional to 5,291.02, 7,936.64 and 1,395.13

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Solution

The fourth proportional to 5,291.02, 7,936.64 and 1,395.13 is: 2,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.02 : 7,936.64 = 1,395.13 : x
  2. Step 2: Convert to fraction form
    5,291.02/7,936.64 = 1,395.13/x
  3. Step 3: Cross multiply
    5,291.02x = 7,936.64 × 1,395.13
  4. Step 4: Simplify right side
    5,291.02x = 11,072,644.56
  5. Step 5: Solve for x
    x = 11,072,644.56/5,291.02
  6. Step 6: Final answer
    x = 2,092.72

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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.