Home / 8,831.44-12,198.18-6,603.22

Finding the Fourth Proportional to 8,831.44, 12,198.18 and 6,603.22

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Solution

The fourth proportional to 8,831.44, 12,198.18 and 6,603.22 is: 9,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.44 : 12,198.18 = 6,603.22 : x
  2. Step 2: Convert to fraction form
    8,831.44/12,198.18 = 6,603.22/x
  3. Step 3: Cross multiply
    8,831.44x = 12,198.18 × 6,603.22
  4. Step 4: Simplify right side
    8,831.44x = 80,547,266.14
  5. Step 5: Solve for x
    x = 80,547,266.14/8,831.44
  6. Step 6: Final answer
    x = 9,120.51

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1.5x scale

Why These Related Problems?

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