Home / 5,019.08-7,529.51-1,687.01

Finding the Fourth Proportional to 5,019.08, 7,529.51 and 1,687.01

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Solution

The fourth proportional to 5,019.08, 7,529.51 and 1,687.01 is: 2,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.08 : 7,529.51 = 1,687.01 : x
  2. Step 2: Convert to fraction form
    5,019.08/7,529.51 = 1,687.01/x
  3. Step 3: Cross multiply
    5,019.08x = 7,529.51 × 1,687.01
  4. Step 4: Simplify right side
    5,019.08x = 12,702,369.05
  5. Step 5: Solve for x
    x = 12,702,369.05/5,019.08
  6. Step 6: Final answer
    x = 2,530.81

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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.