Home / 4,909.13-6,772.35-2,918.55

Finding the Fourth Proportional to 4,909.13, 6,772.35 and 2,918.55

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Solution

The fourth proportional to 4,909.13, 6,772.35 and 2,918.55 is: 4,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.13 : 6,772.35 = 2,918.55 : x
  2. Step 2: Convert to fraction form
    4,909.13/6,772.35 = 2,918.55/x
  3. Step 3: Cross multiply
    4,909.13x = 6,772.35 × 2,918.55
  4. Step 4: Simplify right side
    4,909.13x = 19,765,442.09
  5. Step 5: Solve for x
    x = 19,765,442.09/4,909.13
  6. Step 6: Final answer
    x = 4,026.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.