Home / 5,760.21-8,641.54-1,867.35

Finding the Fourth Proportional to 5,760.21, 8,641.54 and 1,867.35

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Solution

The fourth proportional to 5,760.21, 8,641.54 and 1,867.35 is: 2,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.21 : 8,641.54 = 1,867.35 : x
  2. Step 2: Convert to fraction form
    5,760.21/8,641.54 = 1,867.35/x
  3. Step 3: Cross multiply
    5,760.21x = 8,641.54 × 1,867.35
  4. Step 4: Simplify right side
    5,760.21x = 16,136,803.96
  5. Step 5: Solve for x
    x = 16,136,803.96/5,760.21
  6. Step 6: Final answer
    x = 2,801.42

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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.