Home / 5,475.51-8,213.34-1,579.92

Finding the Fourth Proportional to 5,475.51, 8,213.34 and 1,579.92

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Solution

The fourth proportional to 5,475.51, 8,213.34 and 1,579.92 is: 2,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.51 : 8,213.34 = 1,579.92 : x
  2. Step 2: Convert to fraction form
    5,475.51/8,213.34 = 1,579.92/x
  3. Step 3: Cross multiply
    5,475.51x = 8,213.34 × 1,579.92
  4. Step 4: Simplify right side
    5,475.51x = 12,976,420.13
  5. Step 5: Solve for x
    x = 12,976,420.13/5,475.51
  6. Step 6: Final answer
    x = 2,369.90

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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.