Home / 5,302.70-7,956.78-2,185.01

Finding the Fourth Proportional to 5,302.70, 7,956.78 and 2,185.01

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Solution

The fourth proportional to 5,302.70, 7,956.78 and 2,185.01 is: 3,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.70 : 7,956.78 = 2,185.01 : x
  2. Step 2: Convert to fraction form
    5,302.70/7,956.78 = 2,185.01/x
  3. Step 3: Cross multiply
    5,302.70x = 7,956.78 × 2,185.01
  4. Step 4: Simplify right side
    5,302.70x = 17,385,643.87
  5. Step 5: Solve for x
    x = 17,385,643.87/5,302.70
  6. Step 6: Final answer
    x = 3,278.64

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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.