Home / 6,501.15-8,972.66-3,984.66

Finding the Fourth Proportional to 6,501.15, 8,972.66 and 3,984.66

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Solution

The fourth proportional to 6,501.15, 8,972.66 and 3,984.66 is: 5,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.15 : 8,972.66 = 3,984.66 : x
  2. Step 2: Convert to fraction form
    6,501.15/8,972.66 = 3,984.66/x
  3. Step 3: Cross multiply
    6,501.15x = 8,972.66 × 3,984.66
  4. Step 4: Simplify right side
    6,501.15x = 35,752,999.40
  5. Step 5: Solve for x
    x = 35,752,999.40/6,501.15
  6. Step 6: Final answer
    x = 5,499.49

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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.