Home / 4,780.83-7,171.68-1,859.35

Finding the Fourth Proportional to 4,780.83, 7,171.68 and 1,859.35

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Solution

The fourth proportional to 4,780.83, 7,171.68 and 1,859.35 is: 2,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.83 : 7,171.68 = 1,859.35 : x
  2. Step 2: Convert to fraction form
    4,780.83/7,171.68 = 1,859.35/x
  3. Step 3: Cross multiply
    4,780.83x = 7,171.68 × 1,859.35
  4. Step 4: Simplify right side
    4,780.83x = 13,334,663.21
  5. Step 5: Solve for x
    x = 13,334,663.21/4,780.83
  6. Step 6: Final answer
    x = 2,789.19

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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.