Home / 8,221.48-11,346.84-4,685.04

Finding the Fourth Proportional to 8,221.48, 11,346.84 and 4,685.04

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Solution

The fourth proportional to 8,221.48, 11,346.84 and 4,685.04 is: 6,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.48 : 11,346.84 = 4,685.04 : x
  2. Step 2: Convert to fraction form
    8,221.48/11,346.84 = 4,685.04/x
  3. Step 3: Cross multiply
    8,221.48x = 11,346.84 × 4,685.04
  4. Step 4: Simplify right side
    8,221.48x = 53,160,399.27
  5. Step 5: Solve for x
    x = 53,160,399.27/8,221.48
  6. Step 6: Final answer
    x = 6,466.04

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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.