Home / 4,215.42-5,816.10-2,723.40

Finding the Fourth Proportional to 4,215.42, 5,816.10 and 2,723.40

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Solution

The fourth proportional to 4,215.42, 5,816.10 and 2,723.40 is: 3,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.42 : 5,816.10 = 2,723.40 : x
  2. Step 2: Convert to fraction form
    4,215.42/5,816.10 = 2,723.40/x
  3. Step 3: Cross multiply
    4,215.42x = 5,816.10 × 2,723.40
  4. Step 4: Simplify right side
    4,215.42x = 15,839,566.74
  5. Step 5: Solve for x
    x = 15,839,566.74/4,215.42
  6. Step 6: Final answer
    x = 3,757.53

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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.