Home / 4,851.75-6,695.42-2,643.75

Finding the Fourth Proportional to 4,851.75, 6,695.42 and 2,643.75

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Solution

The fourth proportional to 4,851.75, 6,695.42 and 2,643.75 is: 3,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.75 : 6,695.42 = 2,643.75 : x
  2. Step 2: Convert to fraction form
    4,851.75/6,695.42 = 2,643.75/x
  3. Step 3: Cross multiply
    4,851.75x = 6,695.42 × 2,643.75
  4. Step 4: Simplify right side
    4,851.75x = 17,701,003.41
  5. Step 5: Solve for x
    x = 17,701,003.41/4,851.75
  6. Step 6: Final answer
    x = 3,648.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.