Home / 4,075.40-6,113.10-3,864.20

Finding the Fourth Proportional to 4,075.40, 6,113.10 and 3,864.20

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Solution

The fourth proportional to 4,075.40, 6,113.10 and 3,864.20 is: 5,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.40 : 6,113.10 = 3,864.20 : x
  2. Step 2: Convert to fraction form
    4,075.40/6,113.10 = 3,864.20/x
  3. Step 3: Cross multiply
    4,075.40x = 6,113.10 × 3,864.20
  4. Step 4: Simplify right side
    4,075.40x = 23,622,241.02
  5. Step 5: Solve for x
    x = 23,622,241.02/4,075.40
  6. Step 6: Final answer
    x = 5,796.30

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1.5x scale

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.