Home / 7,746.74-11,621.72-3,849.02

Finding the Fourth Proportional to 7,746.74, 11,621.72 and 3,849.02

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Solution

The fourth proportional to 7,746.74, 11,621.72 and 3,849.02 is: 5,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.74 : 11,621.72 = 3,849.02 : x
  2. Step 2: Convert to fraction form
    7,746.74/11,621.72 = 3,849.02/x
  3. Step 3: Cross multiply
    7,746.74x = 11,621.72 × 3,849.02
  4. Step 4: Simplify right side
    7,746.74x = 44,732,184.23
  5. Step 5: Solve for x
    x = 44,732,184.23/7,746.74
  6. Step 6: Final answer
    x = 5,774.33

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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.