Home / 6,781.07-9,353.05-6,223.34

Finding the Fourth Proportional to 6,781.07, 9,353.05 and 6,223.34

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Solution

The fourth proportional to 6,781.07, 9,353.05 and 6,223.34 is: 8,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.07 : 9,353.05 = 6,223.34 : x
  2. Step 2: Convert to fraction form
    6,781.07/9,353.05 = 6,223.34/x
  3. Step 3: Cross multiply
    6,781.07x = 9,353.05 × 6,223.34
  4. Step 4: Simplify right side
    6,781.07x = 58,207,210.19
  5. Step 5: Solve for x
    x = 58,207,210.19/6,781.07
  6. Step 6: Final answer
    x = 8,583.78

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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.