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Finding the Fourth Proportional to 9,395.91, 12,983.64 and 6,739.11

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Solution

The fourth proportional to 9,395.91, 12,983.64 and 6,739.11 is: 9,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.91 : 12,983.64 = 6,739.11 : x
  2. Step 2: Convert to fraction form
    9,395.91/12,983.64 = 6,739.11/x
  3. Step 3: Cross multiply
    9,395.91x = 12,983.64 × 6,739.11
  4. Step 4: Simplify right side
    9,395.91x = 87,498,178.16
  5. Step 5: Solve for x
    x = 87,498,178.16/9,395.91
  6. Step 6: Final answer
    x = 9,312.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.