Home / 7,844.90-11,747.91-4,374.86

Finding the Fourth Proportional to 7,844.90, 11,747.91 and 4,374.86

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Solution

The fourth proportional to 7,844.90, 11,747.91 and 4,374.86 is: 6,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.90 : 11,747.91 = 4,374.86 : x
  2. Step 2: Convert to fraction form
    7,844.90/11,747.91 = 4,374.86/x
  3. Step 3: Cross multiply
    7,844.90x = 11,747.91 × 4,374.86
  4. Step 4: Simplify right side
    7,844.90x = 51,395,461.54
  5. Step 5: Solve for x
    x = 51,395,461.54/7,844.90
  6. Step 6: Final answer
    x = 6,551.45

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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.