Home / 9,180.92-12,669.67-4,989.17

Finding the Fourth Proportional to 9,180.92, 12,669.67 and 4,989.17

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Solution

The fourth proportional to 9,180.92, 12,669.67 and 4,989.17 is: 6,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.92 : 12,669.67 = 4,989.17 : x
  2. Step 2: Convert to fraction form
    9,180.92/12,669.67 = 4,989.17/x
  3. Step 3: Cross multiply
    9,180.92x = 12,669.67 × 4,989.17
  4. Step 4: Simplify right side
    9,180.92x = 63,211,137.47
  5. Step 5: Solve for x
    x = 63,211,137.47/9,180.92
  6. Step 6: Final answer
    x = 6,885.05

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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.