Home / 4,075.05-5,615.51-2,892.81

Finding the Fourth Proportional to 4,075.05, 5,615.51 and 2,892.81

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Solution

The fourth proportional to 4,075.05, 5,615.51 and 2,892.81 is: 3,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.05 : 5,615.51 = 2,892.81 : x
  2. Step 2: Convert to fraction form
    4,075.05/5,615.51 = 2,892.81/x
  3. Step 3: Cross multiply
    4,075.05x = 5,615.51 × 2,892.81
  4. Step 4: Simplify right side
    4,075.05x = 16,244,589.02
  5. Step 5: Solve for x
    x = 16,244,589.02/4,075.05
  6. Step 6: Final answer
    x = 3,986.35

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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.