Home / 8,466.26-12,697.56-2,621.57

Finding the Fourth Proportional to 8,466.26, 12,697.56 and 2,621.57

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Solution

The fourth proportional to 8,466.26, 12,697.56 and 2,621.57 is: 3,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.26 : 12,697.56 = 2,621.57 : x
  2. Step 2: Convert to fraction form
    8,466.26/12,697.56 = 2,621.57/x
  3. Step 3: Cross multiply
    8,466.26x = 12,697.56 × 2,621.57
  4. Step 4: Simplify right side
    8,466.26x = 33,287,478.88
  5. Step 5: Solve for x
    x = 33,287,478.88/8,466.26
  6. Step 6: Final answer
    x = 3,931.78

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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.