Home / 5,240.04-7,860.18-1,728.92

Finding the Fourth Proportional to 5,240.04, 7,860.18 and 1,728.92

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Solution

The fourth proportional to 5,240.04, 7,860.18 and 1,728.92 is: 2,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.04 : 7,860.18 = 1,728.92 : x
  2. Step 2: Convert to fraction form
    5,240.04/7,860.18 = 1,728.92/x
  3. Step 3: Cross multiply
    5,240.04x = 7,860.18 × 1,728.92
  4. Step 4: Simplify right side
    5,240.04x = 13,589,622.41
  5. Step 5: Solve for x
    x = 13,589,622.41/5,240.04
  6. Step 6: Final answer
    x = 2,593.42

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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.