Home / 7,736.22-10,669.38-5,215.02

Finding the Fourth Proportional to 7,736.22, 10,669.38 and 5,215.02

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Solution

The fourth proportional to 7,736.22, 10,669.38 and 5,215.02 is: 7,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.22 : 10,669.38 = 5,215.02 : x
  2. Step 2: Convert to fraction form
    7,736.22/10,669.38 = 5,215.02/x
  3. Step 3: Cross multiply
    7,736.22x = 10,669.38 × 5,215.02
  4. Step 4: Simplify right side
    7,736.22x = 55,641,030.09
  5. Step 5: Solve for x
    x = 55,641,030.09/7,736.22
  6. Step 6: Final answer
    x = 7,192.28

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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.