Home / 5,401.48-8,103.86-1,937.92

Finding the Fourth Proportional to 5,401.48, 8,103.86 and 1,937.92

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Solution

The fourth proportional to 5,401.48, 8,103.86 and 1,937.92 is: 2,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.48 : 8,103.86 = 1,937.92 : x
  2. Step 2: Convert to fraction form
    5,401.48/8,103.86 = 1,937.92/x
  3. Step 3: Cross multiply
    5,401.48x = 8,103.86 × 1,937.92
  4. Step 4: Simplify right side
    5,401.48x = 15,704,632.37
  5. Step 5: Solve for x
    x = 15,704,632.37/5,401.48
  6. Step 6: Final answer
    x = 2,907.47

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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.