Home / 7,578.68-11,355.66-4,650.80

Finding the Fourth Proportional to 7,578.68, 11,355.66 and 4,650.80

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Solution

The fourth proportional to 7,578.68, 11,355.66 and 4,650.80 is: 6,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.68 : 11,355.66 = 4,650.80 : x
  2. Step 2: Convert to fraction form
    7,578.68/11,355.66 = 4,650.80/x
  3. Step 3: Cross multiply
    7,578.68x = 11,355.66 × 4,650.80
  4. Step 4: Simplify right side
    7,578.68x = 52,812,903.53
  5. Step 5: Solve for x
    x = 52,812,903.53/7,578.68
  6. Step 6: Final answer
    x = 6,968.62

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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.