Home / 8,770.91-13,155.08-2,847.02

Finding the Fourth Proportional to 8,770.91, 13,155.08 and 2,847.02

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Solution

The fourth proportional to 8,770.91, 13,155.08 and 2,847.02 is: 4,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.91 : 13,155.08 = 2,847.02 : x
  2. Step 2: Convert to fraction form
    8,770.91/13,155.08 = 2,847.02/x
  3. Step 3: Cross multiply
    8,770.91x = 13,155.08 × 2,847.02
  4. Step 4: Simplify right side
    8,770.91x = 37,452,695.85
  5. Step 5: Solve for x
    x = 37,452,695.85/8,770.91
  6. Step 6: Final answer
    x = 4,270.11

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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.