Home / 8,466.20-12,695.60-2,621.44

Finding the Fourth Proportional to 8,466.20, 12,695.60 and 2,621.44

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Solution

The fourth proportional to 8,466.20, 12,695.60 and 2,621.44 is: 3,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.20 : 12,695.60 = 2,621.44 : x
  2. Step 2: Convert to fraction form
    8,466.20/12,695.60 = 2,621.44/x
  3. Step 3: Cross multiply
    8,466.20x = 12,695.60 × 2,621.44
  4. Step 4: Simplify right side
    8,466.20x = 33,280,753.66
  5. Step 5: Solve for x
    x = 33,280,753.66/8,466.20
  6. Step 6: Final answer
    x = 3,931.01

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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.