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Finding the Fourth Proportional to 5,573.75, 7,687.34 and 4,737.23

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Solution

The fourth proportional to 5,573.75, 7,687.34 and 4,737.23 is: 6,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.75 : 7,687.34 = 4,737.23 : x
  2. Step 2: Convert to fraction form
    5,573.75/7,687.34 = 4,737.23/x
  3. Step 3: Cross multiply
    5,573.75x = 7,687.34 × 4,737.23
  4. Step 4: Simplify right side
    5,573.75x = 36,416,697.67
  5. Step 5: Solve for x
    x = 36,416,697.67/5,573.75
  6. Step 6: Final answer
    x = 6,533.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.