Home / 4,994.18-7,485.60-3,140.90

Finding the Fourth Proportional to 4,994.18, 7,485.60 and 3,140.90

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Solution

The fourth proportional to 4,994.18, 7,485.60 and 3,140.90 is: 4,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.18 : 7,485.60 = 3,140.90 : x
  2. Step 2: Convert to fraction form
    4,994.18/7,485.60 = 3,140.90/x
  3. Step 3: Cross multiply
    4,994.18x = 7,485.60 × 3,140.90
  4. Step 4: Simplify right side
    4,994.18x = 23,511,521.04
  5. Step 5: Solve for x
    x = 23,511,521.04/4,994.18
  6. Step 6: Final answer
    x = 4,707.78

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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.