Home / 4,821.68-6,656.82-3,145.99

Finding the Fourth Proportional to 4,821.68, 6,656.82 and 3,145.99

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Solution

The fourth proportional to 4,821.68, 6,656.82 and 3,145.99 is: 4,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.68 : 6,656.82 = 3,145.99 : x
  2. Step 2: Convert to fraction form
    4,821.68/6,656.82 = 3,145.99/x
  3. Step 3: Cross multiply
    4,821.68x = 6,656.82 × 3,145.99
  4. Step 4: Simplify right side
    4,821.68x = 20,942,281.29
  5. Step 5: Solve for x
    x = 20,942,281.29/4,821.68
  6. Step 6: Final answer
    x = 4,343.36

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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.