Home / 8,216.12-11,337.82-4,679.32

Finding the Fourth Proportional to 8,216.12, 11,337.82 and 4,679.32

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Solution

The fourth proportional to 8,216.12, 11,337.82 and 4,679.32 is: 6,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.12 : 11,337.82 = 4,679.32 : x
  2. Step 2: Convert to fraction form
    8,216.12/11,337.82 = 4,679.32/x
  3. Step 3: Cross multiply
    8,216.12x = 11,337.82 × 4,679.32
  4. Step 4: Simplify right side
    8,216.12x = 53,053,287.88
  5. Step 5: Solve for x
    x = 53,053,287.88/8,216.12
  6. Step 6: Final answer
    x = 6,457.22

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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.