Home / 6,936.47-10,403.56-2,986.66

Finding the Fourth Proportional to 6,936.47, 10,403.56 and 2,986.66

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Solution

The fourth proportional to 6,936.47, 10,403.56 and 2,986.66 is: 4,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.47 : 10,403.56 = 2,986.66 : x
  2. Step 2: Convert to fraction form
    6,936.47/10,403.56 = 2,986.66/x
  3. Step 3: Cross multiply
    6,936.47x = 10,403.56 × 2,986.66
  4. Step 4: Simplify right side
    6,936.47x = 31,071,896.51
  5. Step 5: Solve for x
    x = 31,071,896.51/6,936.47
  6. Step 6: Final answer
    x = 4,479.50

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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.