Home / 6,699.45-9,239.61-4,309.81

Finding the Fourth Proportional to 6,699.45, 9,239.61 and 4,309.81

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Solution

The fourth proportional to 6,699.45, 9,239.61 and 4,309.81 is: 5,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.45 : 9,239.61 = 4,309.81 : x
  2. Step 2: Convert to fraction form
    6,699.45/9,239.61 = 4,309.81/x
  3. Step 3: Cross multiply
    6,699.45x = 9,239.61 × 4,309.81
  4. Step 4: Simplify right side
    6,699.45x = 39,820,963.57
  5. Step 5: Solve for x
    x = 39,820,963.57/6,699.45
  6. Step 6: Final answer
    x = 5,943.92

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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.