Home / 4,329.09-5,975.51-2,985.39

Finding the Fourth Proportional to 4,329.09, 5,975.51 and 2,985.39

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Solution

The fourth proportional to 4,329.09, 5,975.51 and 2,985.39 is: 4,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.09 : 5,975.51 = 2,985.39 : x
  2. Step 2: Convert to fraction form
    4,329.09/5,975.51 = 2,985.39/x
  3. Step 3: Cross multiply
    4,329.09x = 5,975.51 × 2,985.39
  4. Step 4: Simplify right side
    4,329.09x = 17,839,212.87
  5. Step 5: Solve for x
    x = 17,839,212.87/4,329.09
  6. Step 6: Final answer
    x = 4,120.78

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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.