Home / 4,774.50-7,165.38-1,851.18

Finding the Fourth Proportional to 4,774.50, 7,165.38 and 1,851.18

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Solution

The fourth proportional to 4,774.50, 7,165.38 and 1,851.18 is: 2,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.50 : 7,165.38 = 1,851.18 : x
  2. Step 2: Convert to fraction form
    4,774.50/7,165.38 = 1,851.18/x
  3. Step 3: Cross multiply
    4,774.50x = 7,165.38 × 1,851.18
  4. Step 4: Simplify right side
    4,774.50x = 13,264,408.15
  5. Step 5: Solve for x
    x = 13,264,408.15/4,774.50
  6. Step 6: Final answer
    x = 2,778.18

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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.