Home / 5,593.20-8,389.80-4,978.80

Finding the Fourth Proportional to 5,593.20, 8,389.80 and 4,978.80

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Solution

The fourth proportional to 5,593.20, 8,389.80 and 4,978.80 is: 7,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.20 : 8,389.80 = 4,978.80 : x
  2. Step 2: Convert to fraction form
    5,593.20/8,389.80 = 4,978.80/x
  3. Step 3: Cross multiply
    5,593.20x = 8,389.80 × 4,978.80
  4. Step 4: Simplify right side
    5,593.20x = 41,771,136.24
  5. Step 5: Solve for x
    x = 41,771,136.24/5,593.20
  6. Step 6: Final answer
    x = 7,468.20

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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.