Home / 5,174.79-7,763.14-3,690.31

Finding the Fourth Proportional to 5,174.79, 7,763.14 and 3,690.31

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Solution

The fourth proportional to 5,174.79, 7,763.14 and 3,690.31 is: 5,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.79 : 7,763.14 = 3,690.31 : x
  2. Step 2: Convert to fraction form
    5,174.79/7,763.14 = 3,690.31/x
  3. Step 3: Cross multiply
    5,174.79x = 7,763.14 × 3,690.31
  4. Step 4: Simplify right side
    5,174.79x = 28,648,392.93
  5. Step 5: Solve for x
    x = 28,648,392.93/5,174.79
  6. Step 6: Final answer
    x = 5,536.15

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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.