Home / 4,767.03-7,139.43-3,119.49

Finding the Fourth Proportional to 4,767.03, 7,139.43 and 3,119.49

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Solution

The fourth proportional to 4,767.03, 7,139.43 and 3,119.49 is: 4,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.03 : 7,139.43 = 3,119.49 : x
  2. Step 2: Convert to fraction form
    4,767.03/7,139.43 = 3,119.49/x
  3. Step 3: Cross multiply
    4,767.03x = 7,139.43 × 3,119.49
  4. Step 4: Simplify right side
    4,767.03x = 22,271,380.49
  5. Step 5: Solve for x
    x = 22,271,380.49/4,767.03
  6. Step 6: Final answer
    x = 4,671.96

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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.