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Finding the Fourth Proportional to 5,524.61, 8,285.61 and 1,575.77

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Solution

The fourth proportional to 5,524.61, 8,285.61 and 1,575.77 is: 2,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,524.61 : 8,285.61 = 1,575.77 : x
  2. Step 2: Convert to fraction form
    5,524.61/8,285.61 = 1,575.77/x
  3. Step 3: Cross multiply
    5,524.61x = 8,285.61 × 1,575.77
  4. Step 4: Simplify right side
    5,524.61x = 13,056,217.89
  5. Step 5: Solve for x
    x = 13,056,217.89/5,524.61
  6. Step 6: Final answer
    x = 2,363.29

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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.