Home / 7,390.20-10,198.55-4,032.98

Finding the Fourth Proportional to 7,390.20, 10,198.55 and 4,032.98

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Solution

The fourth proportional to 7,390.20, 10,198.55 and 4,032.98 is: 5,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.20 : 10,198.55 = 4,032.98 : x
  2. Step 2: Convert to fraction form
    7,390.20/10,198.55 = 4,032.98/x
  3. Step 3: Cross multiply
    7,390.20x = 10,198.55 × 4,032.98
  4. Step 4: Simplify right side
    7,390.20x = 41,130,507.27
  5. Step 5: Solve for x
    x = 41,130,507.27/7,390.20
  6. Step 6: Final answer
    x = 5,565.55

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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.