Home / 4,999.88-7,498.40-2,074.56

Finding the Fourth Proportional to 4,999.88, 7,498.40 and 2,074.56

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Solution

The fourth proportional to 4,999.88, 7,498.40 and 2,074.56 is: 3,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.88 : 7,498.40 = 2,074.56 : x
  2. Step 2: Convert to fraction form
    4,999.88/7,498.40 = 2,074.56/x
  3. Step 3: Cross multiply
    4,999.88x = 7,498.40 × 2,074.56
  4. Step 4: Simplify right side
    4,999.88x = 15,555,870.33
  5. Step 5: Solve for x
    x = 15,555,870.33/4,999.88
  6. Step 6: Final answer
    x = 3,111.25

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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.