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Finding the Fourth Proportional to 6,337.11, 8,746.54 and 4,212.82

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Solution

The fourth proportional to 6,337.11, 8,746.54 and 4,212.82 is: 5,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.11 : 8,746.54 = 4,212.82 : x
  2. Step 2: Convert to fraction form
    6,337.11/8,746.54 = 4,212.82/x
  3. Step 3: Cross multiply
    6,337.11x = 8,746.54 × 4,212.82
  4. Step 4: Simplify right side
    6,337.11x = 36,847,566.24
  5. Step 5: Solve for x
    x = 36,847,566.24/6,337.11
  6. Step 6: Final answer
    x = 5,814.57

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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.