Home / 6,578.60-9,867.45-2,136.20

Finding the Fourth Proportional to 6,578.60, 9,867.45 and 2,136.20

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Solution

The fourth proportional to 6,578.60, 9,867.45 and 2,136.20 is: 3,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.60 : 9,867.45 = 2,136.20 : x
  2. Step 2: Convert to fraction form
    6,578.60/9,867.45 = 2,136.20/x
  3. Step 3: Cross multiply
    6,578.60x = 9,867.45 × 2,136.20
  4. Step 4: Simplify right side
    6,578.60x = 21,078,846.69
  5. Step 5: Solve for x
    x = 21,078,846.69/6,578.60
  6. Step 6: Final answer
    x = 3,204.15

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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.