Home / 7,185.49-10,783.14-2,505.51

Finding the Fourth Proportional to 7,185.49, 10,783.14 and 2,505.51

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Solution

The fourth proportional to 7,185.49, 10,783.14 and 2,505.51 is: 3,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.49 : 10,783.14 = 2,505.51 : x
  2. Step 2: Convert to fraction form
    7,185.49/10,783.14 = 2,505.51/x
  3. Step 3: Cross multiply
    7,185.49x = 10,783.14 × 2,505.51
  4. Step 4: Simplify right side
    7,185.49x = 27,017,265.10
  5. Step 5: Solve for x
    x = 27,017,265.10/7,185.49
  6. Step 6: Final answer
    x = 3,759.98

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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.