Home / 9,011.38-13,518.37-2,771.92

Finding the Fourth Proportional to 9,011.38, 13,518.37 and 2,771.92

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Solution

The fourth proportional to 9,011.38, 13,518.37 and 2,771.92 is: 4,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.38 : 13,518.37 = 2,771.92 : x
  2. Step 2: Convert to fraction form
    9,011.38/13,518.37 = 2,771.92/x
  3. Step 3: Cross multiply
    9,011.38x = 13,518.37 × 2,771.92
  4. Step 4: Simplify right side
    9,011.38x = 37,471,840.17
  5. Step 5: Solve for x
    x = 37,471,840.17/9,011.38
  6. Step 6: Final answer
    x = 4,158.28

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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.