Home / 5,028.72-7,542.04-1,907.65

Finding the Fourth Proportional to 5,028.72, 7,542.04 and 1,907.65

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Solution

The fourth proportional to 5,028.72, 7,542.04 and 1,907.65 is: 2,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.72 : 7,542.04 = 1,907.65 : x
  2. Step 2: Convert to fraction form
    5,028.72/7,542.04 = 1,907.65/x
  3. Step 3: Cross multiply
    5,028.72x = 7,542.04 × 1,907.65
  4. Step 4: Simplify right side
    5,028.72x = 14,387,572.61
  5. Step 5: Solve for x
    x = 14,387,572.61/5,028.72
  6. Step 6: Final answer
    x = 2,861.08

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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.