Home / 5,853.24-8,784.36-3,390.12

Finding the Fourth Proportional to 5,853.24, 8,784.36 and 3,390.12

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Solution

The fourth proportional to 5,853.24, 8,784.36 and 3,390.12 is: 5,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.24 : 8,784.36 = 3,390.12 : x
  2. Step 2: Convert to fraction form
    5,853.24/8,784.36 = 3,390.12/x
  3. Step 3: Cross multiply
    5,853.24x = 8,784.36 × 3,390.12
  4. Step 4: Simplify right side
    5,853.24x = 29,780,034.52
  5. Step 5: Solve for x
    x = 29,780,034.52/5,853.24
  6. Step 6: Final answer
    x = 5,087.79

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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.