Home / 6,742.10-10,108.42-2,991.84

Finding the Fourth Proportional to 6,742.10, 10,108.42 and 2,991.84

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Solution

The fourth proportional to 6,742.10, 10,108.42 and 2,991.84 is: 4,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.10 : 10,108.42 = 2,991.84 : x
  2. Step 2: Convert to fraction form
    6,742.10/10,108.42 = 2,991.84/x
  3. Step 3: Cross multiply
    6,742.10x = 10,108.42 × 2,991.84
  4. Step 4: Simplify right side
    6,742.10x = 30,242,775.29
  5. Step 5: Solve for x
    x = 30,242,775.29/6,742.10
  6. Step 6: Final answer
    x = 4,485.66

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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.