Home / 8,740.70-13,110.88-2,166.87

Finding the Fourth Proportional to 8,740.70, 13,110.88 and 2,166.87

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Solution

The fourth proportional to 8,740.70, 13,110.88 and 2,166.87 is: 3,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.70 : 13,110.88 = 2,166.87 : x
  2. Step 2: Convert to fraction form
    8,740.70/13,110.88 = 2,166.87/x
  3. Step 3: Cross multiply
    8,740.70x = 13,110.88 × 2,166.87
  4. Step 4: Simplify right side
    8,740.70x = 28,409,572.55
  5. Step 5: Solve for x
    x = 28,409,572.55/8,740.70
  6. Step 6: Final answer
    x = 3,250.26

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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.