Home / 4,994.75-7,487.46-3,140.25

Finding the Fourth Proportional to 4,994.75, 7,487.46 and 3,140.25

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Solution

The fourth proportional to 4,994.75, 7,487.46 and 3,140.25 is: 4,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.75 : 7,487.46 = 3,140.25 : x
  2. Step 2: Convert to fraction form
    4,994.75/7,487.46 = 3,140.25/x
  3. Step 3: Cross multiply
    4,994.75x = 7,487.46 × 3,140.25
  4. Step 4: Simplify right side
    4,994.75x = 23,512,496.27
  5. Step 5: Solve for x
    x = 23,512,496.27/4,994.75
  6. Step 6: Final answer
    x = 4,707.45

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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.