Home / 8,074.13-11,145.41-5,384.37

Finding the Fourth Proportional to 8,074.13, 11,145.41 and 5,384.37

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Solution

The fourth proportional to 8,074.13, 11,145.41 and 5,384.37 is: 7,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.13 : 11,145.41 = 5,384.37 : x
  2. Step 2: Convert to fraction form
    8,074.13/11,145.41 = 5,384.37/x
  3. Step 3: Cross multiply
    8,074.13x = 11,145.41 × 5,384.37
  4. Step 4: Simplify right side
    8,074.13x = 60,010,983.61
  5. Step 5: Solve for x
    x = 60,010,983.61/8,074.13
  6. Step 6: Final answer
    x = 7,432.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.