Home / 4,989.83-7,483.59-1,478.88

Finding the Fourth Proportional to 4,989.83, 7,483.59 and 1,478.88

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Solution

The fourth proportional to 4,989.83, 7,483.59 and 1,478.88 is: 2,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.83 : 7,483.59 = 1,478.88 : x
  2. Step 2: Convert to fraction form
    4,989.83/7,483.59 = 1,478.88/x
  3. Step 3: Cross multiply
    4,989.83x = 7,483.59 × 1,478.88
  4. Step 4: Simplify right side
    4,989.83x = 11,067,331.58
  5. Step 5: Solve for x
    x = 11,067,331.58/4,989.83
  6. Step 6: Final answer
    x = 2,217.98

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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.