Home / 9,202.72-12,699.48-5,114.51

Finding the Fourth Proportional to 9,202.72, 12,699.48 and 5,114.51

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Solution

The fourth proportional to 9,202.72, 12,699.48 and 5,114.51 is: 7,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.72 : 12,699.48 = 5,114.51 : x
  2. Step 2: Convert to fraction form
    9,202.72/12,699.48 = 5,114.51/x
  3. Step 3: Cross multiply
    9,202.72x = 12,699.48 × 5,114.51
  4. Step 4: Simplify right side
    9,202.72x = 64,951,582.40
  5. Step 5: Solve for x
    x = 64,951,582.40/9,202.72
  6. Step 6: Final answer
    x = 7,057.87

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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.