Home / 5,405.77-8,117.92-3,338.01

Finding the Fourth Proportional to 5,405.77, 8,117.92 and 3,338.01

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Solution

The fourth proportional to 5,405.77, 8,117.92 and 3,338.01 is: 5,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.77 : 8,117.92 = 3,338.01 : x
  2. Step 2: Convert to fraction form
    5,405.77/8,117.92 = 3,338.01/x
  3. Step 3: Cross multiply
    5,405.77x = 8,117.92 × 3,338.01
  4. Step 4: Simplify right side
    5,405.77x = 27,097,702.31
  5. Step 5: Solve for x
    x = 27,097,702.31/5,405.77
  6. Step 6: Final answer
    x = 5,012.74

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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.