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Finding the Fourth Proportional to 5,697.78, 8,532.51 and 4,874.82

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Solution

The fourth proportional to 5,697.78, 8,532.51 and 4,874.82 is: 7,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.78 : 8,532.51 = 4,874.82 : x
  2. Step 2: Convert to fraction form
    5,697.78/8,532.51 = 4,874.82/x
  3. Step 3: Cross multiply
    5,697.78x = 8,532.51 × 4,874.82
  4. Step 4: Simplify right side
    5,697.78x = 41,594,450.40
  5. Step 5: Solve for x
    x = 41,594,450.40/5,697.78
  6. Step 6: Final answer
    x = 7,300.12

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1.5x scale

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.