Home / 4,984.50-7,479.48-2,387.44

Finding the Fourth Proportional to 4,984.50, 7,479.48 and 2,387.44

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Solution

The fourth proportional to 4,984.50, 7,479.48 and 2,387.44 is: 3,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.50 : 7,479.48 = 2,387.44 : x
  2. Step 2: Convert to fraction form
    4,984.50/7,479.48 = 2,387.44/x
  3. Step 3: Cross multiply
    4,984.50x = 7,479.48 × 2,387.44
  4. Step 4: Simplify right side
    4,984.50x = 17,856,809.73
  5. Step 5: Solve for x
    x = 17,856,809.73/4,984.50
  6. Step 6: Final answer
    x = 3,582.47

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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.