Home / 4,781.35-7,158.73-2,436.30

Finding the Fourth Proportional to 4,781.35, 7,158.73 and 2,436.30

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Solution

The fourth proportional to 4,781.35, 7,158.73 and 2,436.30 is: 3,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.35 : 7,158.73 = 2,436.30 : x
  2. Step 2: Convert to fraction form
    4,781.35/7,158.73 = 2,436.30/x
  3. Step 3: Cross multiply
    4,781.35x = 7,158.73 × 2,436.30
  4. Step 4: Simplify right side
    4,781.35x = 17,440,832.51
  5. Step 5: Solve for x
    x = 17,440,832.51/4,781.35
  6. Step 6: Final answer
    x = 3,647.68

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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.