Home / 5,213.02-7,193.99-2,855.16

Finding the Fourth Proportional to 5,213.02, 7,193.99 and 2,855.16

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Solution

The fourth proportional to 5,213.02, 7,193.99 and 2,855.16 is: 3,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.02 : 7,193.99 = 2,855.16 : x
  2. Step 2: Convert to fraction form
    5,213.02/7,193.99 = 2,855.16/x
  3. Step 3: Cross multiply
    5,213.02x = 7,193.99 × 2,855.16
  4. Step 4: Simplify right side
    5,213.02x = 20,539,978.21
  5. Step 5: Solve for x
    x = 20,539,978.21/5,213.02
  6. Step 6: Final answer
    x = 3,940.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.