Home / 4,770.42-7,157.33-2,900.11

Finding the Fourth Proportional to 4,770.42, 7,157.33 and 2,900.11

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Solution

The fourth proportional to 4,770.42, 7,157.33 and 2,900.11 is: 4,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.42 : 7,157.33 = 2,900.11 : x
  2. Step 2: Convert to fraction form
    4,770.42/7,157.33 = 2,900.11/x
  3. Step 3: Cross multiply
    4,770.42x = 7,157.33 × 2,900.11
  4. Step 4: Simplify right side
    4,770.42x = 20,757,044.31
  5. Step 5: Solve for x
    x = 20,757,044.31/4,770.42
  6. Step 6: Final answer
    x = 4,351.20

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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.