Home / 6,600.32-9,901.68-3,315.68

Finding the Fourth Proportional to 6,600.32, 9,901.68 and 3,315.68

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Solution

The fourth proportional to 6,600.32, 9,901.68 and 3,315.68 is: 4,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.32 : 9,901.68 = 3,315.68 : x
  2. Step 2: Convert to fraction form
    6,600.32/9,901.68 = 3,315.68/x
  3. Step 3: Cross multiply
    6,600.32x = 9,901.68 × 3,315.68
  4. Step 4: Simplify right side
    6,600.32x = 32,830,802.34
  5. Step 5: Solve for x
    x = 32,830,802.34/6,600.32
  6. Step 6: Final answer
    x = 4,974.12

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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.