Home / 4,805.50-6,631.68-2,817.46

Finding the Fourth Proportional to 4,805.50, 6,631.68 and 2,817.46

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Solution

The fourth proportional to 4,805.50, 6,631.68 and 2,817.46 is: 3,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.50 : 6,631.68 = 2,817.46 : x
  2. Step 2: Convert to fraction form
    4,805.50/6,631.68 = 2,817.46/x
  3. Step 3: Cross multiply
    4,805.50x = 6,631.68 × 2,817.46
  4. Step 4: Simplify right side
    4,805.50x = 18,684,493.13
  5. Step 5: Solve for x
    x = 18,684,493.13/4,805.50
  6. Step 6: Final answer
    x = 3,888.15

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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.