Home / 8,354.12-11,531.94-4,820.36

Finding the Fourth Proportional to 8,354.12, 11,531.94 and 4,820.36

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Solution

The fourth proportional to 8,354.12, 11,531.94 and 4,820.36 is: 6,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.12 : 11,531.94 = 4,820.36 : x
  2. Step 2: Convert to fraction form
    8,354.12/11,531.94 = 4,820.36/x
  3. Step 3: Cross multiply
    8,354.12x = 11,531.94 × 4,820.36
  4. Step 4: Simplify right side
    8,354.12x = 55,588,102.30
  5. Step 5: Solve for x
    x = 55,588,102.30/8,354.12
  6. Step 6: Final answer
    x = 6,653.97

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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.