Home / 7,549.80-10,418.63-4,192.49

Finding the Fourth Proportional to 7,549.80, 10,418.63 and 4,192.49

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Solution

The fourth proportional to 7,549.80, 10,418.63 and 4,192.49 is: 5,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.80 : 10,418.63 = 4,192.49 : x
  2. Step 2: Convert to fraction form
    7,549.80/10,418.63 = 4,192.49/x
  3. Step 3: Cross multiply
    7,549.80x = 10,418.63 × 4,192.49
  4. Step 4: Simplify right side
    7,549.80x = 43,680,002.09
  5. Step 5: Solve for x
    x = 43,680,002.09/7,549.80
  6. Step 6: Final answer
    x = 5,785.58

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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.