Home / 5,811.47-8,020.04-3,574.11

Finding the Fourth Proportional to 5,811.47, 8,020.04 and 3,574.11

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Solution

The fourth proportional to 5,811.47, 8,020.04 and 3,574.11 is: 4,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.47 : 8,020.04 = 3,574.11 : x
  2. Step 2: Convert to fraction form
    5,811.47/8,020.04 = 3,574.11/x
  3. Step 3: Cross multiply
    5,811.47x = 8,020.04 × 3,574.11
  4. Step 4: Simplify right side
    5,811.47x = 28,664,505.16
  5. Step 5: Solve for x
    x = 28,664,505.16/5,811.47
  6. Step 6: Final answer
    x = 4,932.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.