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Finding the Fourth Proportional to 8,941.91, 13,352.64 and 7,301.66

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Solution

The fourth proportional to 8,941.91, 13,352.64 and 7,301.66 is: 10,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.91 : 13,352.64 = 7,301.66 : x
  2. Step 2: Convert to fraction form
    8,941.91/13,352.64 = 7,301.66/x
  3. Step 3: Cross multiply
    8,941.91x = 13,352.64 × 7,301.66
  4. Step 4: Simplify right side
    8,941.91x = 97,496,400.87
  5. Step 5: Solve for x
    x = 97,496,400.87/8,941.91
  6. Step 6: Final answer
    x = 10,903.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.