Home / 5,140.46-7,710.69-2,950.58

Finding the Fourth Proportional to 5,140.46, 7,710.69 and 2,950.58

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Solution

The fourth proportional to 5,140.46, 7,710.69 and 2,950.58 is: 4,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.46 : 7,710.69 = 2,950.58 : x
  2. Step 2: Convert to fraction form
    5,140.46/7,710.69 = 2,950.58/x
  3. Step 3: Cross multiply
    5,140.46x = 7,710.69 × 2,950.58
  4. Step 4: Simplify right side
    5,140.46x = 22,751,007.70
  5. Step 5: Solve for x
    x = 22,751,007.70/5,140.46
  6. Step 6: Final answer
    x = 4,425.87

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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.