Home / 4,780.52-7,164.40-2,554.79

Finding the Fourth Proportional to 4,780.52, 7,164.40 and 2,554.79

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Solution

The fourth proportional to 4,780.52, 7,164.40 and 2,554.79 is: 3,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.52 : 7,164.40 = 2,554.79 : x
  2. Step 2: Convert to fraction form
    4,780.52/7,164.40 = 2,554.79/x
  3. Step 3: Cross multiply
    4,780.52x = 7,164.40 × 2,554.79
  4. Step 4: Simplify right side
    4,780.52x = 18,303,537.48
  5. Step 5: Solve for x
    x = 18,303,537.48/4,780.52
  6. Step 6: Final answer
    x = 3,828.78

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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.