Home / 5,130.02-7,697.97-2,168.25

Finding the Fourth Proportional to 5,130.02, 7,697.97 and 2,168.25

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Solution

The fourth proportional to 5,130.02, 7,697.97 and 2,168.25 is: 3,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.02 : 7,697.97 = 2,168.25 : x
  2. Step 2: Convert to fraction form
    5,130.02/7,697.97 = 2,168.25/x
  3. Step 3: Cross multiply
    5,130.02x = 7,697.97 × 2,168.25
  4. Step 4: Simplify right side
    5,130.02x = 16,691,123.45
  5. Step 5: Solve for x
    x = 16,691,123.45/5,130.02
  6. Step 6: Final answer
    x = 3,253.62

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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.