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Finding the Fourth Proportional to 6,207.86, 8,565.72 and 5,026.88

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Solution

The fourth proportional to 6,207.86, 8,565.72 and 5,026.88 is: 6,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.86 : 8,565.72 = 5,026.88 : x
  2. Step 2: Convert to fraction form
    6,207.86/8,565.72 = 5,026.88/x
  3. Step 3: Cross multiply
    6,207.86x = 8,565.72 × 5,026.88
  4. Step 4: Simplify right side
    6,207.86x = 43,058,846.55
  5. Step 5: Solve for x
    x = 43,058,846.55/6,207.86
  6. Step 6: Final answer
    x = 6,936.18

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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.