Home / 4,987.06-7,479.78-2,354.56

Finding the Fourth Proportional to 4,987.06, 7,479.78 and 2,354.56

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Solution

The fourth proportional to 4,987.06, 7,479.78 and 2,354.56 is: 3,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.06 : 7,479.78 = 2,354.56 : x
  2. Step 2: Convert to fraction form
    4,987.06/7,479.78 = 2,354.56/x
  3. Step 3: Cross multiply
    4,987.06x = 7,479.78 × 2,354.56
  4. Step 4: Simplify right side
    4,987.06x = 17,611,590.93
  5. Step 5: Solve for x
    x = 17,611,590.93/4,987.06
  6. Step 6: Final answer
    x = 3,531.46

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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.