Home / 8,940.08-12,337.32-4,961.20

Finding the Fourth Proportional to 8,940.08, 12,337.32 and 4,961.20

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Solution

The fourth proportional to 8,940.08, 12,337.32 and 4,961.20 is: 6,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.08 : 12,337.32 = 4,961.20 : x
  2. Step 2: Convert to fraction form
    8,940.08/12,337.32 = 4,961.20/x
  3. Step 3: Cross multiply
    8,940.08x = 12,337.32 × 4,961.20
  4. Step 4: Simplify right side
    8,940.08x = 61,207,881.14
  5. Step 5: Solve for x
    x = 61,207,881.14/8,940.08
  6. Step 6: Final answer
    x = 6,846.46

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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.