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Finding the Fourth Proportional to 4,599.95, 6,900.94 and 1,678.24

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Solution

The fourth proportional to 4,599.95, 6,900.94 and 1,678.24 is: 2,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599.95 : 6,900.94 = 1,678.24 : x
  2. Step 2: Convert to fraction form
    4,599.95/6,900.94 = 1,678.24/x
  3. Step 3: Cross multiply
    4,599.95x = 6,900.94 × 1,678.24
  4. Step 4: Simplify right side
    4,599.95x = 11,581,425.15
  5. Step 5: Solve for x
    x = 11,581,425.15/4,599.95
  6. Step 6: Final answer
    x = 2,517.73

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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.