Home / 8,755.08-13,133.84-3,207.40

Finding the Fourth Proportional to 8,755.08, 13,133.84 and 3,207.40

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Solution

The fourth proportional to 8,755.08, 13,133.84 and 3,207.40 is: 4,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.08 : 13,133.84 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    8,755.08/13,133.84 = 3,207.40/x
  3. Step 3: Cross multiply
    8,755.08x = 13,133.84 × 3,207.40
  4. Step 4: Simplify right side
    8,755.08x = 42,125,478.42
  5. Step 5: Solve for x
    x = 42,125,478.42/8,755.08
  6. Step 6: Final answer
    x = 4,811.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.