Home / 5,110.90-7,654.20-2,510.80

Finding the Fourth Proportional to 5,110.90, 7,654.20 and 2,510.80

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Solution

The fourth proportional to 5,110.90, 7,654.20 and 2,510.80 is: 3,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.90 : 7,654.20 = 2,510.80 : x
  2. Step 2: Convert to fraction form
    5,110.90/7,654.20 = 2,510.80/x
  3. Step 3: Cross multiply
    5,110.90x = 7,654.20 × 2,510.80
  4. Step 4: Simplify right side
    5,110.90x = 19,218,165.36
  5. Step 5: Solve for x
    x = 19,218,165.36/5,110.90
  6. Step 6: Final answer
    x = 3,760.23

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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.