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Finding the Fourth Proportional to 7,090.55, 9,792.03 and 5,843.96

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Solution

The fourth proportional to 7,090.55, 9,792.03 and 5,843.96 is: 8,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.55 : 9,792.03 = 5,843.96 : x
  2. Step 2: Convert to fraction form
    7,090.55/9,792.03 = 5,843.96/x
  3. Step 3: Cross multiply
    7,090.55x = 9,792.03 × 5,843.96
  4. Step 4: Simplify right side
    7,090.55x = 57,224,231.64
  5. Step 5: Solve for x
    x = 57,224,231.64/7,090.55
  6. Step 6: Final answer
    x = 8,070.49

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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.