Home / 5,202.16-7,178.98-2,844.30

Finding the Fourth Proportional to 5,202.16, 7,178.98 and 2,844.30

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Solution

The fourth proportional to 5,202.16, 7,178.98 and 2,844.30 is: 3,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.16 : 7,178.98 = 2,844.30 : x
  2. Step 2: Convert to fraction form
    5,202.16/7,178.98 = 2,844.30/x
  3. Step 3: Cross multiply
    5,202.16x = 7,178.98 × 2,844.30
  4. Step 4: Simplify right side
    5,202.16x = 20,419,172.81
  5. Step 5: Solve for x
    x = 20,419,172.81/5,202.16
  6. Step 6: Final answer
    x = 3,925.13

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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.