Home / 5,376.45-8,064.07-1,865.81

Finding the Fourth Proportional to 5,376.45, 8,064.07 and 1,865.81

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Solution

The fourth proportional to 5,376.45, 8,064.07 and 1,865.81 is: 2,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.45 : 8,064.07 = 1,865.81 : x
  2. Step 2: Convert to fraction form
    5,376.45/8,064.07 = 1,865.81/x
  3. Step 3: Cross multiply
    5,376.45x = 8,064.07 × 1,865.81
  4. Step 4: Simplify right side
    5,376.45x = 15,046,022.45
  5. Step 5: Solve for x
    x = 15,046,022.45/5,376.45
  6. Step 6: Final answer
    x = 2,798.51

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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.