Home / 5,372.16-8,020.64-5,042.56

Finding the Fourth Proportional to 5,372.16, 8,020.64 and 5,042.56

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Solution

The fourth proportional to 5,372.16, 8,020.64 and 5,042.56 is: 7,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.16 : 8,020.64 = 5,042.56 : x
  2. Step 2: Convert to fraction form
    5,372.16/8,020.64 = 5,042.56/x
  3. Step 3: Cross multiply
    5,372.16x = 8,020.64 × 5,042.56
  4. Step 4: Simplify right side
    5,372.16x = 40,444,558.44
  5. Step 5: Solve for x
    x = 40,444,558.44/5,372.16
  6. Step 6: Final answer
    x = 7,528.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.