Home / 5,475.43-8,205.57-4,743.19

Finding the Fourth Proportional to 5,475.43, 8,205.57 and 4,743.19

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Solution

The fourth proportional to 5,475.43, 8,205.57 and 4,743.19 is: 7,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.43 : 8,205.57 = 4,743.19 : x
  2. Step 2: Convert to fraction form
    5,475.43/8,205.57 = 4,743.19/x
  3. Step 3: Cross multiply
    5,475.43x = 8,205.57 × 4,743.19
  4. Step 4: Simplify right side
    5,475.43x = 38,920,577.57
  5. Step 5: Solve for x
    x = 38,920,577.57/5,475.43
  6. Step 6: Final answer
    x = 7,108.22

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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.