Home / 4,759.83-7,139.77-2,886.19

Finding the Fourth Proportional to 4,759.83, 7,139.77 and 2,886.19

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Solution

The fourth proportional to 4,759.83, 7,139.77 and 2,886.19 is: 4,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.83 : 7,139.77 = 2,886.19 : x
  2. Step 2: Convert to fraction form
    4,759.83/7,139.77 = 2,886.19/x
  3. Step 3: Cross multiply
    4,759.83x = 7,139.77 × 2,886.19
  4. Step 4: Simplify right side
    4,759.83x = 20,606,707.71
  5. Step 5: Solve for x
    x = 20,606,707.71/4,759.83
  6. Step 6: Final answer
    x = 4,329.29

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Similar ratio
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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.