Home / 8,770.35-13,154.25-2,847.75

Finding the Fourth Proportional to 8,770.35, 13,154.25 and 2,847.75

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Solution

The fourth proportional to 8,770.35, 13,154.25 and 2,847.75 is: 4,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.35 : 13,154.25 = 2,847.75 : x
  2. Step 2: Convert to fraction form
    8,770.35/13,154.25 = 2,847.75/x
  3. Step 3: Cross multiply
    8,770.35x = 13,154.25 × 2,847.75
  4. Step 4: Simplify right side
    8,770.35x = 37,460,015.44
  5. Step 5: Solve for x
    x = 37,460,015.44/8,770.35
  6. Step 6: Final answer
    x = 4,271.21

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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.