Home / 8,837.78-13,234.77-6,492.20

Finding the Fourth Proportional to 8,837.78, 13,234.77 and 6,492.20

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Solution

The fourth proportional to 8,837.78, 13,234.77 and 6,492.20 is: 9,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.78 : 13,234.77 = 6,492.20 : x
  2. Step 2: Convert to fraction form
    8,837.78/13,234.77 = 6,492.20/x
  3. Step 3: Cross multiply
    8,837.78x = 13,234.77 × 6,492.20
  4. Step 4: Simplify right side
    8,837.78x = 85,922,707.62
  5. Step 5: Solve for x
    x = 85,922,707.62/8,837.78
  6. Step 6: Final answer
    x = 9,722.21

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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.