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Finding the Fourth Proportional to 8,373.36, 11,548.64 and 7,417.29

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Solution

The fourth proportional to 8,373.36, 11,548.64 and 7,417.29 is: 10,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.36 : 11,548.64 = 7,417.29 : x
  2. Step 2: Convert to fraction form
    8,373.36/11,548.64 = 7,417.29/x
  3. Step 3: Cross multiply
    8,373.36x = 11,548.64 × 7,417.29
  4. Step 4: Simplify right side
    8,373.36x = 85,659,630.53
  5. Step 5: Solve for x
    x = 85,659,630.53/8,373.36
  6. Step 6: Final answer
    x = 10,230.02

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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.