Home / 7,389.79-10,198.13-4,032.75

Finding the Fourth Proportional to 7,389.79, 10,198.13 and 4,032.75

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Solution

The fourth proportional to 7,389.79, 10,198.13 and 4,032.75 is: 5,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.79 : 10,198.13 = 4,032.75 : x
  2. Step 2: Convert to fraction form
    7,389.79/10,198.13 = 4,032.75/x
  3. Step 3: Cross multiply
    7,389.79x = 10,198.13 × 4,032.75
  4. Step 4: Simplify right side
    7,389.79x = 41,126,508.76
  5. Step 5: Solve for x
    x = 41,126,508.76/7,389.79
  6. Step 6: Final answer
    x = 5,565.31

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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.