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Finding the Fourth Proportional to 4,677.52, 7,012.60 and 1,755.48

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Solution

The fourth proportional to 4,677.52, 7,012.60 and 1,755.48 is: 2,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.52 : 7,012.60 = 1,755.48 : x
  2. Step 2: Convert to fraction form
    4,677.52/7,012.60 = 1,755.48/x
  3. Step 3: Cross multiply
    4,677.52x = 7,012.60 × 1,755.48
  4. Step 4: Simplify right side
    4,677.52x = 12,310,479.05
  5. Step 5: Solve for x
    x = 12,310,479.05/4,677.52
  6. Step 6: Final answer
    x = 2,631.84

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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.