Home / 5,175.99-7,758.21-2,055.17

Finding the Fourth Proportional to 5,175.99, 7,758.21 and 2,055.17

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Solution

The fourth proportional to 5,175.99, 7,758.21 and 2,055.17 is: 3,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.99 : 7,758.21 = 2,055.17 : x
  2. Step 2: Convert to fraction form
    5,175.99/7,758.21 = 2,055.17/x
  3. Step 3: Cross multiply
    5,175.99x = 7,758.21 × 2,055.17
  4. Step 4: Simplify right side
    5,175.99x = 15,944,401.65
  5. Step 5: Solve for x
    x = 15,944,401.65/5,175.99
  6. Step 6: Final answer
    x = 3,080.45

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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.