Home / 5,653.68-8,484.06-2,190.92

Finding the Fourth Proportional to 5,653.68, 8,484.06 and 2,190.92

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Solution

The fourth proportional to 5,653.68, 8,484.06 and 2,190.92 is: 3,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.68 : 8,484.06 = 2,190.92 : x
  2. Step 2: Convert to fraction form
    5,653.68/8,484.06 = 2,190.92/x
  3. Step 3: Cross multiply
    5,653.68x = 8,484.06 × 2,190.92
  4. Step 4: Simplify right side
    5,653.68x = 18,587,896.74
  5. Step 5: Solve for x
    x = 18,587,896.74/5,653.68
  6. Step 6: Final answer
    x = 3,287.75

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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.