Home / 8,380.22-11,564.91-4,603.76

Finding the Fourth Proportional to 8,380.22, 11,564.91 and 4,603.76

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Solution

The fourth proportional to 8,380.22, 11,564.91 and 4,603.76 is: 6,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.22 : 11,564.91 = 4,603.76 : x
  2. Step 2: Convert to fraction form
    8,380.22/11,564.91 = 4,603.76/x
  3. Step 3: Cross multiply
    8,380.22x = 11,564.91 × 4,603.76
  4. Step 4: Simplify right side
    8,380.22x = 53,242,070.06
  5. Step 5: Solve for x
    x = 53,242,070.06/8,380.22
  6. Step 6: Final answer
    x = 6,353.30

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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.