Home / 10,649.82-15,975.69-2,858.58

Finding the Fourth Proportional to 10,649.82, 15,975.69 and 2,858.58

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Solution

The fourth proportional to 10,649.82, 15,975.69 and 2,858.58 is: 4,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.82 : 15,975.69 = 2,858.58 : x
  2. Step 2: Convert to fraction form
    10,649.82/15,975.69 = 2,858.58/x
  3. Step 3: Cross multiply
    10,649.82x = 15,975.69 × 2,858.58
  4. Step 4: Simplify right side
    10,649.82x = 45,667,787.92
  5. Step 5: Solve for x
    x = 45,667,787.92/10,649.82
  6. Step 6: Final answer
    x = 4,288.13

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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.