Home / 6,221.09-9,312.99-5,999.55

Finding the Fourth Proportional to 6,221.09, 9,312.99 and 5,999.55

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Solution

The fourth proportional to 6,221.09, 9,312.99 and 5,999.55 is: 8,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.09 : 9,312.99 = 5,999.55 : x
  2. Step 2: Convert to fraction form
    6,221.09/9,312.99 = 5,999.55/x
  3. Step 3: Cross multiply
    6,221.09x = 9,312.99 × 5,999.55
  4. Step 4: Simplify right side
    6,221.09x = 55,873,749.15
  5. Step 5: Solve for x
    x = 55,873,749.15/6,221.09
  6. Step 6: Final answer
    x = 8,981.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.