Home / 8,936.15-13,395.52-4,254.91

Finding the Fourth Proportional to 8,936.15, 13,395.52 and 4,254.91

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Solution

The fourth proportional to 8,936.15, 13,395.52 and 4,254.91 is: 6,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.15 : 13,395.52 = 4,254.91 : x
  2. Step 2: Convert to fraction form
    8,936.15/13,395.52 = 4,254.91/x
  3. Step 3: Cross multiply
    8,936.15x = 13,395.52 × 4,254.91
  4. Step 4: Simplify right side
    8,936.15x = 56,996,734.47
  5. Step 5: Solve for x
    x = 56,996,734.47/8,936.15
  6. Step 6: Final answer
    x = 6,378.22

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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.