Home / 8,707.08-13,060.60-3,160.42

Finding the Fourth Proportional to 8,707.08, 13,060.60 and 3,160.42

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Solution

The fourth proportional to 8,707.08, 13,060.60 and 3,160.42 is: 4,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.08 : 13,060.60 = 3,160.42 : x
  2. Step 2: Convert to fraction form
    8,707.08/13,060.60 = 3,160.42/x
  3. Step 3: Cross multiply
    8,707.08x = 13,060.60 × 3,160.42
  4. Step 4: Simplify right side
    8,707.08x = 41,276,981.45
  5. Step 5: Solve for x
    x = 41,276,981.45/8,707.08
  6. Step 6: Final answer
    x = 4,740.62

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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.