Home / 5,708.08-8,561.04-1,812.52

Finding the Fourth Proportional to 5,708.08, 8,561.04 and 1,812.52

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Solution

The fourth proportional to 5,708.08, 8,561.04 and 1,812.52 is: 2,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.08 : 8,561.04 = 1,812.52 : x
  2. Step 2: Convert to fraction form
    5,708.08/8,561.04 = 1,812.52/x
  3. Step 3: Cross multiply
    5,708.08x = 8,561.04 × 1,812.52
  4. Step 4: Simplify right side
    5,708.08x = 15,517,056.22
  5. Step 5: Solve for x
    x = 15,517,056.22/5,708.08
  6. Step 6: Final answer
    x = 2,718.44

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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.