Home / 4,519.62-6,779.75-4,187.63

Finding the Fourth Proportional to 4,519.62, 6,779.75 and 4,187.63

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Solution

The fourth proportional to 4,519.62, 6,779.75 and 4,187.63 is: 6,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.62 : 6,779.75 = 4,187.63 : x
  2. Step 2: Convert to fraction form
    4,519.62/6,779.75 = 4,187.63/x
  3. Step 3: Cross multiply
    4,519.62x = 6,779.75 × 4,187.63
  4. Step 4: Simplify right side
    4,519.62x = 28,391,080.50
  5. Step 5: Solve for x
    x = 28,391,080.50/4,519.62
  6. Step 6: Final answer
    x = 6,281.74

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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.