Home / 8,395.31-12,597.38-3,718.55

Finding the Fourth Proportional to 8,395.31, 12,597.38 and 3,718.55

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Solution

The fourth proportional to 8,395.31, 12,597.38 and 3,718.55 is: 5,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.31 : 12,597.38 = 3,718.55 : x
  2. Step 2: Convert to fraction form
    8,395.31/12,597.38 = 3,718.55/x
  3. Step 3: Cross multiply
    8,395.31x = 12,597.38 × 3,718.55
  4. Step 4: Simplify right side
    8,395.31x = 46,843,905.82
  5. Step 5: Solve for x
    x = 46,843,905.82/8,395.31
  6. Step 6: Final answer
    x = 5,579.77

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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.