Home / 6,610.86-9,918.39-3,981.24

Finding the Fourth Proportional to 6,610.86, 9,918.39 and 3,981.24

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Solution

The fourth proportional to 6,610.86, 9,918.39 and 3,981.24 is: 5,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.86 : 9,918.39 = 3,981.24 : x
  2. Step 2: Convert to fraction form
    6,610.86/9,918.39 = 3,981.24/x
  3. Step 3: Cross multiply
    6,610.86x = 9,918.39 × 3,981.24
  4. Step 4: Simplify right side
    6,610.86x = 39,487,491.00
  5. Step 5: Solve for x
    x = 39,487,491.00/6,610.86
  6. Step 6: Final answer
    x = 5,973.12

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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.