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Finding the Fourth Proportional to 7,092.51, 9,790.34 and 5,576.12

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Solution

The fourth proportional to 7,092.51, 9,790.34 and 5,576.12 is: 7,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.51 : 9,790.34 = 5,576.12 : x
  2. Step 2: Convert to fraction form
    7,092.51/9,790.34 = 5,576.12/x
  3. Step 3: Cross multiply
    7,092.51x = 9,790.34 × 5,576.12
  4. Step 4: Simplify right side
    7,092.51x = 54,592,090.08
  5. Step 5: Solve for x
    x = 54,592,090.08/7,092.51
  6. Step 6: Final answer
    x = 7,697.14

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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.