Home / 5,213.81-7,822.55-1,751.06

Finding the Fourth Proportional to 5,213.81, 7,822.55 and 1,751.06

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Solution

The fourth proportional to 5,213.81, 7,822.55 and 1,751.06 is: 2,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.81 : 7,822.55 = 1,751.06 : x
  2. Step 2: Convert to fraction form
    5,213.81/7,822.55 = 1,751.06/x
  3. Step 3: Cross multiply
    5,213.81x = 7,822.55 × 1,751.06
  4. Step 4: Simplify right side
    5,213.81x = 13,697,778.34
  5. Step 5: Solve for x
    x = 13,697,778.34/5,213.81
  6. Step 6: Final answer
    x = 2,627.21

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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.