Home / 5,170.80-7,751.85-2,246.91

Finding the Fourth Proportional to 5,170.80, 7,751.85 and 2,246.91

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Solution

The fourth proportional to 5,170.80, 7,751.85 and 2,246.91 is: 3,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.80 : 7,751.85 = 2,246.91 : x
  2. Step 2: Convert to fraction form
    5,170.80/7,751.85 = 2,246.91/x
  3. Step 3: Cross multiply
    5,170.80x = 7,751.85 × 2,246.91
  4. Step 4: Simplify right side
    5,170.80x = 17,417,709.28
  5. Step 5: Solve for x
    x = 17,417,709.28/5,170.80
  6. Step 6: Final answer
    x = 3,368.47

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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.