Home / 6,436.48-8,882.30-3,785.40

Finding the Fourth Proportional to 6,436.48, 8,882.30 and 3,785.40

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Solution

The fourth proportional to 6,436.48, 8,882.30 and 3,785.40 is: 5,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.48 : 8,882.30 = 3,785.40 : x
  2. Step 2: Convert to fraction form
    6,436.48/8,882.30 = 3,785.40/x
  3. Step 3: Cross multiply
    6,436.48x = 8,882.30 × 3,785.40
  4. Step 4: Simplify right side
    6,436.48x = 33,623,058.42
  5. Step 5: Solve for x
    x = 33,623,058.42/6,436.48
  6. Step 6: Final answer
    x = 5,223.83

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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.