Home / 6,143.77-8,478.39-3,491.18

Finding the Fourth Proportional to 6,143.77, 8,478.39 and 3,491.18

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Solution

The fourth proportional to 6,143.77, 8,478.39 and 3,491.18 is: 4,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.77 : 8,478.39 = 3,491.18 : x
  2. Step 2: Convert to fraction form
    6,143.77/8,478.39 = 3,491.18/x
  3. Step 3: Cross multiply
    6,143.77x = 8,478.39 × 3,491.18
  4. Step 4: Simplify right side
    6,143.77x = 29,599,543.21
  5. Step 5: Solve for x
    x = 29,599,543.21/6,143.77
  6. Step 6: Final answer
    x = 4,817.82

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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.