Home / 5,707.14-8,560.70-1,811.54

Finding the Fourth Proportional to 5,707.14, 8,560.70 and 1,811.54

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Solution

The fourth proportional to 5,707.14, 8,560.70 and 1,811.54 is: 2,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.14 : 8,560.70 = 1,811.54 : x
  2. Step 2: Convert to fraction form
    5,707.14/8,560.70 = 1,811.54/x
  3. Step 3: Cross multiply
    5,707.14x = 8,560.70 × 1,811.54
  4. Step 4: Simplify right side
    5,707.14x = 15,508,050.48
  5. Step 5: Solve for x
    x = 15,508,050.48/5,707.14
  6. Step 6: Final answer
    x = 2,717.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.