Home / 5,707.80-8,561.62-1,812.24

Finding the Fourth Proportional to 5,707.80, 8,561.62 and 1,812.24

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Solution

The fourth proportional to 5,707.80, 8,561.62 and 1,812.24 is: 2,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.80 : 8,561.62 = 1,812.24 : x
  2. Step 2: Convert to fraction form
    5,707.80/8,561.62 = 1,812.24/x
  3. Step 3: Cross multiply
    5,707.80x = 8,561.62 × 1,812.24
  4. Step 4: Simplify right side
    5,707.80x = 15,515,710.23
  5. Step 5: Solve for x
    x = 15,515,710.23/5,707.80
  6. Step 6: Final answer
    x = 2,718.33

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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.