Home / 8,220.55-11,349.84-4,864.44

Finding the Fourth Proportional to 8,220.55, 11,349.84 and 4,864.44

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Solution

The fourth proportional to 8,220.55, 11,349.84 and 4,864.44 is: 6,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.55 : 11,349.84 = 4,864.44 : x
  2. Step 2: Convert to fraction form
    8,220.55/11,349.84 = 4,864.44/x
  3. Step 3: Cross multiply
    8,220.55x = 11,349.84 × 4,864.44
  4. Step 4: Simplify right side
    8,220.55x = 55,210,615.69
  5. Step 5: Solve for x
    x = 55,210,615.69/8,220.55
  6. Step 6: Final answer
    x = 6,716.17

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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.