Home / 5,055.09-7,619.30-4,639.56

Finding the Fourth Proportional to 5,055.09, 7,619.30 and 4,639.56

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Solution

The fourth proportional to 5,055.09, 7,619.30 and 4,639.56 is: 6,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.09 : 7,619.30 = 4,639.56 : x
  2. Step 2: Convert to fraction form
    5,055.09/7,619.30 = 4,639.56/x
  3. Step 3: Cross multiply
    5,055.09x = 7,619.30 × 4,639.56
  4. Step 4: Simplify right side
    5,055.09x = 35,350,176.31
  5. Step 5: Solve for x
    x = 35,350,176.31/5,055.09
  6. Step 6: Final answer
    x = 6,992.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.