Home / 9,011.39-13,518.36-2,771.91

Finding the Fourth Proportional to 9,011.39, 13,518.36 and 2,771.91

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Solution

The fourth proportional to 9,011.39, 13,518.36 and 2,771.91 is: 4,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.39 : 13,518.36 = 2,771.91 : x
  2. Step 2: Convert to fraction form
    9,011.39/13,518.36 = 2,771.91/x
  3. Step 3: Cross multiply
    9,011.39x = 13,518.36 × 2,771.91
  4. Step 4: Simplify right side
    9,011.39x = 37,471,677.27
  5. Step 5: Solve for x
    x = 37,471,677.27/9,011.39
  6. Step 6: Final answer
    x = 4,158.26

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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.