Home / 4,509-6,222.53-2,519.89

Finding the Fourth Proportional to 4,509, 6,222.53 and 2,519.89

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Solution

The fourth proportional to 4,509, 6,222.53 and 2,519.89 is: 3,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509 : 6,222.53 = 2,519.89 : x
  2. Step 2: Convert to fraction form
    4,509/6,222.53 = 2,519.89/x
  3. Step 3: Cross multiply
    4,509x = 6,222.53 × 2,519.89
  4. Step 4: Simplify right side
    4,509x = 15,680,081.87
  5. Step 5: Solve for x
    x = 15,680,081.87/4,509
  6. Step 6: Final answer
    x = 3,477.51

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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.