Home / 4,987.59-7,465.58-2,789.65

Finding the Fourth Proportional to 4,987.59, 7,465.58 and 2,789.65

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Solution

The fourth proportional to 4,987.59, 7,465.58 and 2,789.65 is: 4,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.59 : 7,465.58 = 2,789.65 : x
  2. Step 2: Convert to fraction form
    4,987.59/7,465.58 = 2,789.65/x
  3. Step 3: Cross multiply
    4,987.59x = 7,465.58 × 2,789.65
  4. Step 4: Simplify right side
    4,987.59x = 20,826,355.25
  5. Step 5: Solve for x
    x = 20,826,355.25/4,987.59
  6. Step 6: Final answer
    x = 4,175.63

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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.