Home / 8,680.34-13,021.12-4,296.62

Finding the Fourth Proportional to 8,680.34, 13,021.12 and 4,296.62

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Solution

The fourth proportional to 8,680.34, 13,021.12 and 4,296.62 is: 6,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.34 : 13,021.12 = 4,296.62 : x
  2. Step 2: Convert to fraction form
    8,680.34/13,021.12 = 4,296.62/x
  3. Step 3: Cross multiply
    8,680.34x = 13,021.12 × 4,296.62
  4. Step 4: Simplify right side
    8,680.34x = 55,946,761.32
  5. Step 5: Solve for x
    x = 55,946,761.32/8,680.34
  6. Step 6: Final answer
    x = 6,445.23

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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.