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Finding the Fourth Proportional to 6,641.86, 9,967.38 and 2,746.30

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Solution

The fourth proportional to 6,641.86, 9,967.38 and 2,746.30 is: 4,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.86 : 9,967.38 = 2,746.30 : x
  2. Step 2: Convert to fraction form
    6,641.86/9,967.38 = 2,746.30/x
  3. Step 3: Cross multiply
    6,641.86x = 9,967.38 × 2,746.30
  4. Step 4: Simplify right side
    6,641.86x = 27,373,415.69
  5. Step 5: Solve for x
    x = 27,373,415.69/6,641.86
  6. Step 6: Final answer
    x = 4,121.35

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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.