Home / 4,077.81-6,113.88-2,691.63

Finding the Fourth Proportional to 4,077.81, 6,113.88 and 2,691.63

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Solution

The fourth proportional to 4,077.81, 6,113.88 and 2,691.63 is: 4,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.81 : 6,113.88 = 2,691.63 : x
  2. Step 2: Convert to fraction form
    4,077.81/6,113.88 = 2,691.63/x
  3. Step 3: Cross multiply
    4,077.81x = 6,113.88 × 2,691.63
  4. Step 4: Simplify right side
    4,077.81x = 16,456,302.82
  5. Step 5: Solve for x
    x = 16,456,302.82/4,077.81
  6. Step 6: Final answer
    x = 4,035.57

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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.