Home / 9,027.20-12,467.04-6,910.40

Finding the Fourth Proportional to 9,027.20, 12,467.04 and 6,910.40

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Solution

The fourth proportional to 9,027.20, 12,467.04 and 6,910.40 is: 9,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.20 : 12,467.04 = 6,910.40 : x
  2. Step 2: Convert to fraction form
    9,027.20/12,467.04 = 6,910.40/x
  3. Step 3: Cross multiply
    9,027.20x = 12,467.04 × 6,910.40
  4. Step 4: Simplify right side
    9,027.20x = 86,152,233.22
  5. Step 5: Solve for x
    x = 86,152,233.22/9,027.20
  6. Step 6: Final answer
    x = 9,543.63

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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.