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Finding the Fourth Proportional to 8,603.24, 12,902.10 and 3,337.86

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Solution

The fourth proportional to 8,603.24, 12,902.10 and 3,337.86 is: 5,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.24 : 12,902.10 = 3,337.86 : x
  2. Step 2: Convert to fraction form
    8,603.24/12,902.10 = 3,337.86/x
  3. Step 3: Cross multiply
    8,603.24x = 12,902.10 × 3,337.86
  4. Step 4: Simplify right side
    8,603.24x = 43,065,403.51
  5. Step 5: Solve for x
    x = 43,065,403.51/8,603.24
  6. Step 6: Final answer
    x = 5,005.72

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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.