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Finding the Fourth Proportional to 6,964.01, 10,432.10 and 4,189.16

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Solution

The fourth proportional to 6,964.01, 10,432.10 and 4,189.16 is: 6,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.01 : 10,432.10 = 4,189.16 : x
  2. Step 2: Convert to fraction form
    6,964.01/10,432.10 = 4,189.16/x
  3. Step 3: Cross multiply
    6,964.01x = 10,432.10 × 4,189.16
  4. Step 4: Simplify right side
    6,964.01x = 43,701,662.93
  5. Step 5: Solve for x
    x = 43,701,662.93/6,964.01
  6. Step 6: Final answer
    x = 6,275.36

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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.