Home / 6,642.48-9,955.71-2,940.51

Finding the Fourth Proportional to 6,642.48, 9,955.71 and 2,940.51

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Solution

The fourth proportional to 6,642.48, 9,955.71 and 2,940.51 is: 4,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.48 : 9,955.71 = 2,940.51 : x
  2. Step 2: Convert to fraction form
    6,642.48/9,955.71 = 2,940.51/x
  3. Step 3: Cross multiply
    6,642.48x = 9,955.71 × 2,940.51
  4. Step 4: Simplify right side
    6,642.48x = 29,274,864.81
  5. Step 5: Solve for x
    x = 29,274,864.81/6,642.48
  6. Step 6: Final answer
    x = 4,407.22

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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.