Home / 8,770.77-13,155.97-2,847.65

Finding the Fourth Proportional to 8,770.77, 13,155.97 and 2,847.65

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Solution

The fourth proportional to 8,770.77, 13,155.97 and 2,847.65 is: 4,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.77 : 13,155.97 = 2,847.65 : x
  2. Step 2: Convert to fraction form
    8,770.77/13,155.97 = 2,847.65/x
  3. Step 3: Cross multiply
    8,770.77x = 13,155.97 × 2,847.65
  4. Step 4: Simplify right side
    8,770.77x = 37,463,597.97
  5. Step 5: Solve for x
    x = 37,463,597.97/8,770.77
  6. Step 6: Final answer
    x = 4,271.41

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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.