Home / 8,355.38-11,530.42-4,998.33

Finding the Fourth Proportional to 8,355.38, 11,530.42 and 4,998.33

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Solution

The fourth proportional to 8,355.38, 11,530.42 and 4,998.33 is: 6,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.38 : 11,530.42 = 4,998.33 : x
  2. Step 2: Convert to fraction form
    8,355.38/11,530.42 = 4,998.33/x
  3. Step 3: Cross multiply
    8,355.38x = 11,530.42 × 4,998.33
  4. Step 4: Simplify right side
    8,355.38x = 57,632,831.70
  5. Step 5: Solve for x
    x = 57,632,831.70/8,355.38
  6. Step 6: Final answer
    x = 6,897.70

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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.