Home / 9,032.40-13,543.92-2,790.72

Finding the Fourth Proportional to 9,032.40, 13,543.92 and 2,790.72

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Solution

The fourth proportional to 9,032.40, 13,543.92 and 2,790.72 is: 4,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,032.40 : 13,543.92 = 2,790.72 : x
  2. Step 2: Convert to fraction form
    9,032.40/13,543.92 = 2,790.72/x
  3. Step 3: Cross multiply
    9,032.40x = 13,543.92 × 2,790.72
  4. Step 4: Simplify right side
    9,032.40x = 37,797,288.42
  5. Step 5: Solve for x
    x = 37,797,288.42/9,032.40
  6. Step 6: Final answer
    x = 4,184.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.