Home / 4,620.15-6,930.23-2,987.19

Finding the Fourth Proportional to 4,620.15, 6,930.23 and 2,987.19

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Solution

The fourth proportional to 4,620.15, 6,930.23 and 2,987.19 is: 4,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.15 : 6,930.23 = 2,987.19 : x
  2. Step 2: Convert to fraction form
    4,620.15/6,930.23 = 2,987.19/x
  3. Step 3: Cross multiply
    4,620.15x = 6,930.23 × 2,987.19
  4. Step 4: Simplify right side
    4,620.15x = 20,701,898.82
  5. Step 5: Solve for x
    x = 20,701,898.82/4,620.15
  6. Step 6: Final answer
    x = 4,480.79

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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.