Home / 8,839.02-12,195.36-5,697.03

Finding the Fourth Proportional to 8,839.02, 12,195.36 and 5,697.03

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Solution

The fourth proportional to 8,839.02, 12,195.36 and 5,697.03 is: 7,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.02 : 12,195.36 = 5,697.03 : x
  2. Step 2: Convert to fraction form
    8,839.02/12,195.36 = 5,697.03/x
  3. Step 3: Cross multiply
    8,839.02x = 12,195.36 × 5,697.03
  4. Step 4: Simplify right side
    8,839.02x = 69,477,331.78
  5. Step 5: Solve for x
    x = 69,477,331.78/8,839.02
  6. Step 6: Final answer
    x = 7,860.30

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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.