Home / 4,213.51-6,315.14-2,981.27

Finding the Fourth Proportional to 4,213.51, 6,315.14 and 2,981.27

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Solution

The fourth proportional to 4,213.51, 6,315.14 and 2,981.27 is: 4,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.51 : 6,315.14 = 2,981.27 : x
  2. Step 2: Convert to fraction form
    4,213.51/6,315.14 = 2,981.27/x
  3. Step 3: Cross multiply
    4,213.51x = 6,315.14 × 2,981.27
  4. Step 4: Simplify right side
    4,213.51x = 18,827,138.31
  5. Step 5: Solve for x
    x = 18,827,138.31/4,213.51
  6. Step 6: Final answer
    x = 4,468.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.