Home / 4,679.28-7,017.55-3,855.51

Finding the Fourth Proportional to 4,679.28, 7,017.55 and 3,855.51

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Solution

The fourth proportional to 4,679.28, 7,017.55 and 3,855.51 is: 5,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.28 : 7,017.55 = 3,855.51 : x
  2. Step 2: Convert to fraction form
    4,679.28/7,017.55 = 3,855.51/x
  3. Step 3: Cross multiply
    4,679.28x = 7,017.55 × 3,855.51
  4. Step 4: Simplify right side
    4,679.28x = 27,056,224.56
  5. Step 5: Solve for x
    x = 27,056,224.56/4,679.28
  6. Step 6: Final answer
    x = 5,782.13

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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.