Home / 6,103.80-8,422.79-4,117.05

Finding the Fourth Proportional to 6,103.80, 8,422.79 and 4,117.05

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Solution

The fourth proportional to 6,103.80, 8,422.79 and 4,117.05 is: 5,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.80 : 8,422.79 = 4,117.05 : x
  2. Step 2: Convert to fraction form
    6,103.80/8,422.79 = 4,117.05/x
  3. Step 3: Cross multiply
    6,103.80x = 8,422.79 × 4,117.05
  4. Step 4: Simplify right side
    6,103.80x = 34,677,026.98
  5. Step 5: Solve for x
    x = 34,677,026.98/6,103.80
  6. Step 6: Final answer
    x = 5,681.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.