Home / 7,032.90-9,704.34-3,889.11

Finding the Fourth Proportional to 7,032.90, 9,704.34 and 3,889.11

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Solution

The fourth proportional to 7,032.90, 9,704.34 and 3,889.11 is: 5,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.90 : 9,704.34 = 3,889.11 : x
  2. Step 2: Convert to fraction form
    7,032.90/9,704.34 = 3,889.11/x
  3. Step 3: Cross multiply
    7,032.90x = 9,704.34 × 3,889.11
  4. Step 4: Simplify right side
    7,032.90x = 37,741,245.74
  5. Step 5: Solve for x
    x = 37,741,245.74/7,032.90
  6. Step 6: Final answer
    x = 5,366.38

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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.