Home / 5,707.02-8,561.90-1,811.43

Finding the Fourth Proportional to 5,707.02, 8,561.90 and 1,811.43

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Solution

The fourth proportional to 5,707.02, 8,561.90 and 1,811.43 is: 2,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.02 : 8,561.90 = 1,811.43 : x
  2. Step 2: Convert to fraction form
    5,707.02/8,561.90 = 1,811.43/x
  3. Step 3: Cross multiply
    5,707.02x = 8,561.90 × 1,811.43
  4. Step 4: Simplify right side
    5,707.02x = 15,509,282.52
  5. Step 5: Solve for x
    x = 15,509,282.52/5,707.02
  6. Step 6: Final answer
    x = 2,717.58

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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.