Home / 8,831.66-13,246.27-5,135.63

Finding the Fourth Proportional to 8,831.66, 13,246.27 and 5,135.63

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Solution

The fourth proportional to 8,831.66, 13,246.27 and 5,135.63 is: 7,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.66 : 13,246.27 = 5,135.63 : x
  2. Step 2: Convert to fraction form
    8,831.66/13,246.27 = 5,135.63/x
  3. Step 3: Cross multiply
    8,831.66x = 13,246.27 × 5,135.63
  4. Step 4: Simplify right side
    8,831.66x = 68,027,862.53
  5. Step 5: Solve for x
    x = 68,027,862.53/8,831.66
  6. Step 6: Final answer
    x = 7,702.73

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1.5x scale

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.