Home / 5,284.47-7,930.55-4,256.88

Finding the Fourth Proportional to 5,284.47, 7,930.55 and 4,256.88

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Solution

The fourth proportional to 5,284.47, 7,930.55 and 4,256.88 is: 6,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.47 : 7,930.55 = 4,256.88 : x
  2. Step 2: Convert to fraction form
    5,284.47/7,930.55 = 4,256.88/x
  3. Step 3: Cross multiply
    5,284.47x = 7,930.55 × 4,256.88
  4. Step 4: Simplify right side
    5,284.47x = 33,759,412.44
  5. Step 5: Solve for x
    x = 33,759,412.44/5,284.47
  6. Step 6: Final answer
    x = 6,388.42

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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.