Home / 8,461.01-12,688.01-3,195.12

Finding the Fourth Proportional to 8,461.01, 12,688.01 and 3,195.12

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Solution

The fourth proportional to 8,461.01, 12,688.01 and 3,195.12 is: 4,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.01 : 12,688.01 = 3,195.12 : x
  2. Step 2: Convert to fraction form
    8,461.01/12,688.01 = 3,195.12/x
  3. Step 3: Cross multiply
    8,461.01x = 12,688.01 × 3,195.12
  4. Step 4: Simplify right side
    8,461.01x = 40,539,710.52
  5. Step 5: Solve for x
    x = 40,539,710.52/8,461.01
  6. Step 6: Final answer
    x = 4,791.36

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Double scale
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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.