Home / 4,077.12-6,115.44-1,341.12

Finding the Fourth Proportional to 4,077.12, 6,115.44 and 1,341.12

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Solution

The fourth proportional to 4,077.12, 6,115.44 and 1,341.12 is: 2,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.12 : 6,115.44 = 1,341.12 : x
  2. Step 2: Convert to fraction form
    4,077.12/6,115.44 = 1,341.12/x
  3. Step 3: Cross multiply
    4,077.12x = 6,115.44 × 1,341.12
  4. Step 4: Simplify right side
    4,077.12x = 8,201,538.89
  5. Step 5: Solve for x
    x = 8,201,538.89/4,077.12
  6. Step 6: Final answer
    x = 2,011.60

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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.