Home / 4,770.38-7,156.72-1,995.52

Finding the Fourth Proportional to 4,770.38, 7,156.72 and 1,995.52

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Solution

The fourth proportional to 4,770.38, 7,156.72 and 1,995.52 is: 2,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.38 : 7,156.72 = 1,995.52 : x
  2. Step 2: Convert to fraction form
    4,770.38/7,156.72 = 1,995.52/x
  3. Step 3: Cross multiply
    4,770.38x = 7,156.72 × 1,995.52
  4. Step 4: Simplify right side
    4,770.38x = 14,281,355.01
  5. Step 5: Solve for x
    x = 14,281,355.01/4,770.38
  6. Step 6: Final answer
    x = 2,993.75

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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.