Home / 4,075.30-5,615.85-2,893.06

Finding the Fourth Proportional to 4,075.30, 5,615.85 and 2,893.06

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Solution

The fourth proportional to 4,075.30, 5,615.85 and 2,893.06 is: 3,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.30 : 5,615.85 = 2,893.06 : x
  2. Step 2: Convert to fraction form
    4,075.30/5,615.85 = 2,893.06/x
  3. Step 3: Cross multiply
    4,075.30x = 5,615.85 × 2,893.06
  4. Step 4: Simplify right side
    4,075.30x = 16,246,991.00
  5. Step 5: Solve for x
    x = 16,246,991.00/4,075.30
  6. Step 6: Final answer
    x = 3,986.70

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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.