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Finding the Fourth Proportional to 8,292.64, 11,444.64 and 4,756.48

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Solution

The fourth proportional to 8,292.64, 11,444.64 and 4,756.48 is: 6,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.64 : 11,444.64 = 4,756.48 : x
  2. Step 2: Convert to fraction form
    8,292.64/11,444.64 = 4,756.48/x
  3. Step 3: Cross multiply
    8,292.64x = 11,444.64 × 4,756.48
  4. Step 4: Simplify right side
    8,292.64x = 54,436,201.27
  5. Step 5: Solve for x
    x = 54,436,201.27/8,292.64
  6. Step 6: Final answer
    x = 6,564.40

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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.