Home / 10,273.30-15,408.75-2,878.35

Finding the Fourth Proportional to 10,273.30, 15,408.75 and 2,878.35

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Solution

The fourth proportional to 10,273.30, 15,408.75 and 2,878.35 is: 4,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.30 : 15,408.75 = 2,878.35 : x
  2. Step 2: Convert to fraction form
    10,273.30/15,408.75 = 2,878.35/x
  3. Step 3: Cross multiply
    10,273.30x = 15,408.75 × 2,878.35
  4. Step 4: Simplify right side
    10,273.30x = 44,351,775.56
  5. Step 5: Solve for x
    x = 44,351,775.56/10,273.30
  6. Step 6: Final answer
    x = 4,317.19

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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.