Home / 7,371.15-10,170.50-4,183.66

Finding the Fourth Proportional to 7,371.15, 10,170.50 and 4,183.66

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Solution

The fourth proportional to 7,371.15, 10,170.50 and 4,183.66 is: 5,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.15 : 10,170.50 = 4,183.66 : x
  2. Step 2: Convert to fraction form
    7,371.15/10,170.50 = 4,183.66/x
  3. Step 3: Cross multiply
    7,371.15x = 10,170.50 × 4,183.66
  4. Step 4: Simplify right side
    7,371.15x = 42,549,905.82
  5. Step 5: Solve for x
    x = 42,549,905.82/7,371.15
  6. Step 6: Final answer
    x = 5,772.50

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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.