Home / 4,243.05-5,855.76-2,564.55

Finding the Fourth Proportional to 4,243.05, 5,855.76 and 2,564.55

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Solution

The fourth proportional to 4,243.05, 5,855.76 and 2,564.55 is: 3,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.05 : 5,855.76 = 2,564.55 : x
  2. Step 2: Convert to fraction form
    4,243.05/5,855.76 = 2,564.55/x
  3. Step 3: Cross multiply
    4,243.05x = 5,855.76 × 2,564.55
  4. Step 4: Simplify right side
    4,243.05x = 15,017,389.31
  5. Step 5: Solve for x
    x = 15,017,389.31/4,243.05
  6. Step 6: Final answer
    x = 3,539.29

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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.