Home / 7,743.96-10,688.36-5,091.62

Finding the Fourth Proportional to 7,743.96, 10,688.36 and 5,091.62

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Solution

The fourth proportional to 7,743.96, 10,688.36 and 5,091.62 is: 7,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.96 : 10,688.36 = 5,091.62 : x
  2. Step 2: Convert to fraction form
    7,743.96/10,688.36 = 5,091.62/x
  3. Step 3: Cross multiply
    7,743.96x = 10,688.36 × 5,091.62
  4. Step 4: Simplify right side
    7,743.96x = 54,421,026.83
  5. Step 5: Solve for x
    x = 54,421,026.83/7,743.96
  6. Step 6: Final answer
    x = 7,027.54

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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.