Home / 9,021.55-13,532.79-2,785.84

Finding the Fourth Proportional to 9,021.55, 13,532.79 and 2,785.84

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Solution

The fourth proportional to 9,021.55, 13,532.79 and 2,785.84 is: 4,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.55 : 13,532.79 = 2,785.84 : x
  2. Step 2: Convert to fraction form
    9,021.55/13,532.79 = 2,785.84/x
  3. Step 3: Cross multiply
    9,021.55x = 13,532.79 × 2,785.84
  4. Step 4: Simplify right side
    9,021.55x = 37,700,187.69
  5. Step 5: Solve for x
    x = 37,700,187.69/9,021.55
  6. Step 6: Final answer
    x = 4,178.90

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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.