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Finding the Fourth Proportional to 7,393.64, 11,073.83 and 4,266.23

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Solution

The fourth proportional to 7,393.64, 11,073.83 and 4,266.23 is: 6,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.64 : 11,073.83 = 4,266.23 : x
  2. Step 2: Convert to fraction form
    7,393.64/11,073.83 = 4,266.23/x
  3. Step 3: Cross multiply
    7,393.64x = 11,073.83 × 4,266.23
  4. Step 4: Simplify right side
    7,393.64x = 47,243,429.06
  5. Step 5: Solve for x
    x = 47,243,429.06/7,393.64
  6. Step 6: Final answer
    x = 6,389.74

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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.