Home / 4,075.10-6,124.80-4,002.20

Finding the Fourth Proportional to 4,075.10, 6,124.80 and 4,002.20

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Solution

The fourth proportional to 4,075.10, 6,124.80 and 4,002.20 is: 6,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.10 : 6,124.80 = 4,002.20 : x
  2. Step 2: Convert to fraction form
    4,075.10/6,124.80 = 4,002.20/x
  3. Step 3: Cross multiply
    4,075.10x = 6,124.80 × 4,002.20
  4. Step 4: Simplify right side
    4,075.10x = 24,512,674.56
  5. Step 5: Solve for x
    x = 24,512,674.56/4,075.10
  6. Step 6: Final answer
    x = 6,015.23

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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.