Home / 7,390.47-10,198.97-4,203.69

Finding the Fourth Proportional to 7,390.47, 10,198.97 and 4,203.69

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Solution

The fourth proportional to 7,390.47, 10,198.97 and 4,203.69 is: 5,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.47 : 10,198.97 = 4,203.69 : x
  2. Step 2: Convert to fraction form
    7,390.47/10,198.97 = 4,203.69/x
  3. Step 3: Cross multiply
    7,390.47x = 10,198.97 × 4,203.69
  4. Step 4: Simplify right side
    7,390.47x = 42,873,264.70
  5. Step 5: Solve for x
    x = 42,873,264.70/7,390.47
  6. Step 6: Final answer
    x = 5,801.15

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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.