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Finding the Fourth Proportional to 4,620.35, 6,927.36 and 1,658.73

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Solution

The fourth proportional to 4,620.35, 6,927.36 and 1,658.73 is: 2,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.35 : 6,927.36 = 1,658.73 : x
  2. Step 2: Convert to fraction form
    4,620.35/6,927.36 = 1,658.73/x
  3. Step 3: Cross multiply
    4,620.35x = 6,927.36 × 1,658.73
  4. Step 4: Simplify right side
    4,620.35x = 11,490,639.61
  5. Step 5: Solve for x
    x = 11,490,639.61/4,620.35
  6. Step 6: Final answer
    x = 2,486.96

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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.