Home / 4,770.39-7,158.02-2,172.99

Finding the Fourth Proportional to 4,770.39, 7,158.02 and 2,172.99

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Solution

The fourth proportional to 4,770.39, 7,158.02 and 2,172.99 is: 3,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.39 : 7,158.02 = 2,172.99 : x
  2. Step 2: Convert to fraction form
    4,770.39/7,158.02 = 2,172.99/x
  3. Step 3: Cross multiply
    4,770.39x = 7,158.02 × 2,172.99
  4. Step 4: Simplify right side
    4,770.39x = 15,554,295.01
  5. Step 5: Solve for x
    x = 15,554,295.01/4,770.39
  6. Step 6: Final answer
    x = 3,260.59

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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.