Home / 4,075.20-5,621.04-2,501.28

Finding the Fourth Proportional to 4,075.20, 5,621.04 and 2,501.28

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Solution

The fourth proportional to 4,075.20, 5,621.04 and 2,501.28 is: 3,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.20 : 5,621.04 = 2,501.28 : x
  2. Step 2: Convert to fraction form
    4,075.20/5,621.04 = 2,501.28/x
  3. Step 3: Cross multiply
    4,075.20x = 5,621.04 × 2,501.28
  4. Step 4: Simplify right side
    4,075.20x = 14,059,794.93
  5. Step 5: Solve for x
    x = 14,059,794.93/4,075.20
  6. Step 6: Final answer
    x = 3,450.09

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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.