Home / 4,782.16-7,174.84-2,185.04

Finding the Fourth Proportional to 4,782.16, 7,174.84 and 2,185.04

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Solution

The fourth proportional to 4,782.16, 7,174.84 and 2,185.04 is: 3,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.16 : 7,174.84 = 2,185.04 : x
  2. Step 2: Convert to fraction form
    4,782.16/7,174.84 = 2,185.04/x
  3. Step 3: Cross multiply
    4,782.16x = 7,174.84 × 2,185.04
  4. Step 4: Simplify right side
    4,782.16x = 15,677,312.39
  5. Step 5: Solve for x
    x = 15,677,312.39/4,782.16
  6. Step 6: Final answer
    x = 3,278.29

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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.