Home / 4,824.96-7,240.21-2,603.79

Finding the Fourth Proportional to 4,824.96, 7,240.21 and 2,603.79

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Solution

The fourth proportional to 4,824.96, 7,240.21 and 2,603.79 is: 3,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.96 : 7,240.21 = 2,603.79 : x
  2. Step 2: Convert to fraction form
    4,824.96/7,240.21 = 2,603.79/x
  3. Step 3: Cross multiply
    4,824.96x = 7,240.21 × 2,603.79
  4. Step 4: Simplify right side
    4,824.96x = 18,851,993.46
  5. Step 5: Solve for x
    x = 18,851,993.46/4,824.96
  6. Step 6: Final answer
    x = 3,907.18

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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.