Home / 5,712.93-8,570.02-1,816.42

Finding the Fourth Proportional to 5,712.93, 8,570.02 and 1,816.42

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Solution

The fourth proportional to 5,712.93, 8,570.02 and 1,816.42 is: 2,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.93 : 8,570.02 = 1,816.42 : x
  2. Step 2: Convert to fraction form
    5,712.93/8,570.02 = 1,816.42/x
  3. Step 3: Cross multiply
    5,712.93x = 8,570.02 × 1,816.42
  4. Step 4: Simplify right side
    5,712.93x = 15,566,751.19
  5. Step 5: Solve for x
    x = 15,566,751.19/5,712.93
  6. Step 6: Final answer
    x = 2,724.83

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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.