Home / 10,408.05-15,603.30-4,858.47

Finding the Fourth Proportional to 10,408.05, 15,603.30 and 4,858.47

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Solution

The fourth proportional to 10,408.05, 15,603.30 and 4,858.47 is: 7,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.05 : 15,603.30 = 4,858.47 : x
  2. Step 2: Convert to fraction form
    10,408.05/15,603.30 = 4,858.47/x
  3. Step 3: Cross multiply
    10,408.05x = 15,603.30 × 4,858.47
  4. Step 4: Simplify right side
    10,408.05x = 75,808,164.95
  5. Step 5: Solve for x
    x = 75,808,164.95/10,408.05
  6. Step 6: Final answer
    x = 7,283.61

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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.