Home / 5,063.20-6,987.72-2,825.62

Finding the Fourth Proportional to 5,063.20, 6,987.72 and 2,825.62

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Solution

The fourth proportional to 5,063.20, 6,987.72 and 2,825.62 is: 3,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.20 : 6,987.72 = 2,825.62 : x
  2. Step 2: Convert to fraction form
    5,063.20/6,987.72 = 2,825.62/x
  3. Step 3: Cross multiply
    5,063.20x = 6,987.72 × 2,825.62
  4. Step 4: Simplify right side
    5,063.20x = 19,744,641.39
  5. Step 5: Solve for x
    x = 19,744,641.39/5,063.20
  6. Step 6: Final answer
    x = 3,899.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.