Home / 8,740.85-13,100.32-6,884.63

Finding the Fourth Proportional to 8,740.85, 13,100.32 and 6,884.63

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Solution

The fourth proportional to 8,740.85, 13,100.32 and 6,884.63 is: 10,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.85 : 13,100.32 = 6,884.63 : x
  2. Step 2: Convert to fraction form
    8,740.85/13,100.32 = 6,884.63/x
  3. Step 3: Cross multiply
    8,740.85x = 13,100.32 × 6,884.63
  4. Step 4: Simplify right side
    8,740.85x = 90,190,773.37
  5. Step 5: Solve for x
    x = 90,190,773.37/8,740.85
  6. Step 6: Final answer
    x = 10,318.31

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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.