Home / 6,434.28-8,882.14-3,781.84

Finding the Fourth Proportional to 6,434.28, 8,882.14 and 3,781.84

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Solution

The fourth proportional to 6,434.28, 8,882.14 and 3,781.84 is: 5,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.28 : 8,882.14 = 3,781.84 : x
  2. Step 2: Convert to fraction form
    6,434.28/8,882.14 = 3,781.84/x
  3. Step 3: Cross multiply
    6,434.28x = 8,882.14 × 3,781.84
  4. Step 4: Simplify right side
    6,434.28x = 33,590,832.34
  5. Step 5: Solve for x
    x = 33,590,832.34/6,434.28
  6. Step 6: Final answer
    x = 5,220.60

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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.