Home / 4,782.03-7,173.03-3,138.18

Finding the Fourth Proportional to 4,782.03, 7,173.03 and 3,138.18

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Solution

The fourth proportional to 4,782.03, 7,173.03 and 3,138.18 is: 4,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.03 : 7,173.03 = 3,138.18 : x
  2. Step 2: Convert to fraction form
    4,782.03/7,173.03 = 3,138.18/x
  3. Step 3: Cross multiply
    4,782.03x = 7,173.03 × 3,138.18
  4. Step 4: Simplify right side
    4,782.03x = 22,510,259.29
  5. Step 5: Solve for x
    x = 22,510,259.29/4,782.03
  6. Step 6: Final answer
    x = 4,707.26

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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.