Home / 5,376.24-8,065.08-1,912.32

Finding the Fourth Proportional to 5,376.24, 8,065.08 and 1,912.32

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Solution

The fourth proportional to 5,376.24, 8,065.08 and 1,912.32 is: 2,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.24 : 8,065.08 = 1,912.32 : x
  2. Step 2: Convert to fraction form
    5,376.24/8,065.08 = 1,912.32/x
  3. Step 3: Cross multiply
    5,376.24x = 8,065.08 × 1,912.32
  4. Step 4: Simplify right side
    5,376.24x = 15,423,013.79
  5. Step 5: Solve for x
    x = 15,423,013.79/5,376.24
  6. Step 6: Final answer
    x = 2,868.74

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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.