Home / 4,920.34-7,380.58-2,742.91

Finding the Fourth Proportional to 4,920.34, 7,380.58 and 2,742.91

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Solution

The fourth proportional to 4,920.34, 7,380.58 and 2,742.91 is: 4,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.34 : 7,380.58 = 2,742.91 : x
  2. Step 2: Convert to fraction form
    4,920.34/7,380.58 = 2,742.91/x
  3. Step 3: Cross multiply
    4,920.34x = 7,380.58 × 2,742.91
  4. Step 4: Simplify right side
    4,920.34x = 20,244,266.69
  5. Step 5: Solve for x
    x = 20,244,266.69/4,920.34
  6. Step 6: Final answer
    x = 4,114.40

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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.