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Finding the Fourth Proportional to 6,792.64, 9,373.26 and 4,140.88

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Solution

The fourth proportional to 6,792.64, 9,373.26 and 4,140.88 is: 5,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.64 : 9,373.26 = 4,140.88 : x
  2. Step 2: Convert to fraction form
    6,792.64/9,373.26 = 4,140.88/x
  3. Step 3: Cross multiply
    6,792.64x = 9,373.26 × 4,140.88
  4. Step 4: Simplify right side
    6,792.64x = 38,813,544.87
  5. Step 5: Solve for x
    x = 38,813,544.87/6,792.64
  6. Step 6: Final answer
    x = 5,714.06

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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.