Home / 6,434.30-8,881.08-3,782.57

Finding the Fourth Proportional to 6,434.30, 8,881.08 and 3,782.57

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Solution

The fourth proportional to 6,434.30, 8,881.08 and 3,782.57 is: 5,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.30 : 8,881.08 = 3,782.57 : x
  2. Step 2: Convert to fraction form
    6,434.30/8,881.08 = 3,782.57/x
  3. Step 3: Cross multiply
    6,434.30x = 8,881.08 × 3,782.57
  4. Step 4: Simplify right side
    6,434.30x = 33,593,262.37
  5. Step 5: Solve for x
    x = 33,593,262.37/6,434.30
  6. Step 6: Final answer
    x = 5,220.97

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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.