Home / 6,741.20-10,109.40-3,045.20

Finding the Fourth Proportional to 6,741.20, 10,109.40 and 3,045.20

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Solution

The fourth proportional to 6,741.20, 10,109.40 and 3,045.20 is: 4,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.20 : 10,109.40 = 3,045.20 : x
  2. Step 2: Convert to fraction form
    6,741.20/10,109.40 = 3,045.20/x
  3. Step 3: Cross multiply
    6,741.20x = 10,109.40 × 3,045.20
  4. Step 4: Simplify right side
    6,741.20x = 30,785,144.88
  5. Step 5: Solve for x
    x = 30,785,144.88/6,741.20
  6. Step 6: Final answer
    x = 4,566.72

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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.