Home / 7,766.93-11,639.99-2,831.91

Finding the Fourth Proportional to 7,766.93, 11,639.99 and 2,831.91

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Solution

The fourth proportional to 7,766.93, 11,639.99 and 2,831.91 is: 4,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.93 : 11,639.99 = 2,831.91 : x
  2. Step 2: Convert to fraction form
    7,766.93/11,639.99 = 2,831.91/x
  3. Step 3: Cross multiply
    7,766.93x = 11,639.99 × 2,831.91
  4. Step 4: Simplify right side
    7,766.93x = 32,963,411.16
  5. Step 5: Solve for x
    x = 32,963,411.16/7,766.93
  6. Step 6: Final answer
    x = 4,244.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.