Home / 5,331.71-7,997.57-1,868.15

Finding the Fourth Proportional to 5,331.71, 7,997.57 and 1,868.15

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Solution

The fourth proportional to 5,331.71, 7,997.57 and 1,868.15 is: 2,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.71 : 7,997.57 = 1,868.15 : x
  2. Step 2: Convert to fraction form
    5,331.71/7,997.57 = 1,868.15/x
  3. Step 3: Cross multiply
    5,331.71x = 7,997.57 × 1,868.15
  4. Step 4: Simplify right side
    5,331.71x = 14,940,660.40
  5. Step 5: Solve for x
    x = 14,940,660.40/5,331.71
  6. Step 6: Final answer
    x = 2,802.23

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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.