Home / 6,077.88-8,385.66-3,717.54

Finding the Fourth Proportional to 6,077.88, 8,385.66 and 3,717.54

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Solution

The fourth proportional to 6,077.88, 8,385.66 and 3,717.54 is: 5,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.88 : 8,385.66 = 3,717.54 : x
  2. Step 2: Convert to fraction form
    6,077.88/8,385.66 = 3,717.54/x
  3. Step 3: Cross multiply
    6,077.88x = 8,385.66 × 3,717.54
  4. Step 4: Simplify right side
    6,077.88x = 31,174,026.48
  5. Step 5: Solve for x
    x = 31,174,026.48/6,077.88
  6. Step 6: Final answer
    x = 5,129.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.