Home / 8,260.36-11,408.68-5,603.14

Finding the Fourth Proportional to 8,260.36, 11,408.68 and 5,603.14

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Solution

The fourth proportional to 8,260.36, 11,408.68 and 5,603.14 is: 7,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.36 : 11,408.68 = 5,603.14 : x
  2. Step 2: Convert to fraction form
    8,260.36/11,408.68 = 5,603.14/x
  3. Step 3: Cross multiply
    8,260.36x = 11,408.68 × 5,603.14
  4. Step 4: Simplify right side
    8,260.36x = 63,924,431.26
  5. Step 5: Solve for x
    x = 63,924,431.26/8,260.36
  6. Step 6: Final answer
    x = 7,738.70

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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.