Home / 5,415.18-8,125.81-2,950.17

Finding the Fourth Proportional to 5,415.18, 8,125.81 and 2,950.17

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Solution

The fourth proportional to 5,415.18, 8,125.81 and 2,950.17 is: 4,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.18 : 8,125.81 = 2,950.17 : x
  2. Step 2: Convert to fraction form
    5,415.18/8,125.81 = 2,950.17/x
  3. Step 3: Cross multiply
    5,415.18x = 8,125.81 × 2,950.17
  4. Step 4: Simplify right side
    5,415.18x = 23,972,520.68
  5. Step 5: Solve for x
    x = 23,972,520.68/5,415.18
  6. Step 6: Final answer
    x = 4,426.91

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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.