Home / 4,213.09-5,812.90-2,721.07

Finding the Fourth Proportional to 4,213.09, 5,812.90 and 2,721.07

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Solution

The fourth proportional to 4,213.09, 5,812.90 and 2,721.07 is: 3,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.09 : 5,812.90 = 2,721.07 : x
  2. Step 2: Convert to fraction form
    4,213.09/5,812.90 = 2,721.07/x
  3. Step 3: Cross multiply
    4,213.09x = 5,812.90 × 2,721.07
  4. Step 4: Simplify right side
    4,213.09x = 15,817,307.80
  5. Step 5: Solve for x
    x = 15,817,307.80/4,213.09
  6. Step 6: Final answer
    x = 3,754.32

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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.