Home / 4,778.58-7,159.50-2,929.26

Finding the Fourth Proportional to 4,778.58, 7,159.50 and 2,929.26

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Solution

The fourth proportional to 4,778.58, 7,159.50 and 2,929.26 is: 4,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.58 : 7,159.50 = 2,929.26 : x
  2. Step 2: Convert to fraction form
    4,778.58/7,159.50 = 2,929.26/x
  3. Step 3: Cross multiply
    4,778.58x = 7,159.50 × 2,929.26
  4. Step 4: Simplify right side
    4,778.58x = 20,972,036.97
  5. Step 5: Solve for x
    x = 20,972,036.97/4,778.58
  6. Step 6: Final answer
    x = 4,388.76

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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.