Home / 7,731.33-10,669.13-4,194.47

Finding the Fourth Proportional to 7,731.33, 10,669.13 and 4,194.47

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Solution

The fourth proportional to 7,731.33, 10,669.13 and 4,194.47 is: 5,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.33 : 10,669.13 = 4,194.47 : x
  2. Step 2: Convert to fraction form
    7,731.33/10,669.13 = 4,194.47/x
  3. Step 3: Cross multiply
    7,731.33x = 10,669.13 × 4,194.47
  4. Step 4: Simplify right side
    7,731.33x = 44,751,345.71
  5. Step 5: Solve for x
    x = 44,751,345.71/7,731.33
  6. Step 6: Final answer
    x = 5,788.31

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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.