Home / 4,685.75-6,465.13-2,796.56

Finding the Fourth Proportional to 4,685.75, 6,465.13 and 2,796.56

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Solution

The fourth proportional to 4,685.75, 6,465.13 and 2,796.56 is: 3,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.75 : 6,465.13 = 2,796.56 : x
  2. Step 2: Convert to fraction form
    4,685.75/6,465.13 = 2,796.56/x
  3. Step 3: Cross multiply
    4,685.75x = 6,465.13 × 2,796.56
  4. Step 4: Simplify right side
    4,685.75x = 18,080,124.61
  5. Step 5: Solve for x
    x = 18,080,124.61/4,685.75
  6. Step 6: Final answer
    x = 3,858.53

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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.