Home / 7,390.41-10,198.69-4,033.20

Finding the Fourth Proportional to 7,390.41, 10,198.69 and 4,033.20

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Solution

The fourth proportional to 7,390.41, 10,198.69 and 4,033.20 is: 5,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.41 : 10,198.69 = 4,033.20 : x
  2. Step 2: Convert to fraction form
    7,390.41/10,198.69 = 4,033.20/x
  3. Step 3: Cross multiply
    7,390.41x = 10,198.69 × 4,033.20
  4. Step 4: Simplify right side
    7,390.41x = 41,133,356.51
  5. Step 5: Solve for x
    x = 41,133,356.51/7,390.41
  6. Step 6: Final answer
    x = 5,565.77

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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.