Home / 7,192.34-9,925.66-3,918.32

Finding the Fourth Proportional to 7,192.34, 9,925.66 and 3,918.32

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Solution

The fourth proportional to 7,192.34, 9,925.66 and 3,918.32 is: 5,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.34 : 9,925.66 = 3,918.32 : x
  2. Step 2: Convert to fraction form
    7,192.34/9,925.66 = 3,918.32/x
  3. Step 3: Cross multiply
    7,192.34x = 9,925.66 × 3,918.32
  4. Step 4: Simplify right side
    7,192.34x = 38,891,912.09
  5. Step 5: Solve for x
    x = 38,891,912.09/7,192.34
  6. Step 6: Final answer
    x = 5,407.41

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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.