Home / 5,641.30-8,462.36-1,943.45

Finding the Fourth Proportional to 5,641.30, 8,462.36 and 1,943.45

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Solution

The fourth proportional to 5,641.30, 8,462.36 and 1,943.45 is: 2,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.30 : 8,462.36 = 1,943.45 : x
  2. Step 2: Convert to fraction form
    5,641.30/8,462.36 = 1,943.45/x
  3. Step 3: Cross multiply
    5,641.30x = 8,462.36 × 1,943.45
  4. Step 4: Simplify right side
    5,641.30x = 16,446,173.54
  5. Step 5: Solve for x
    x = 16,446,173.54/5,641.30
  6. Step 6: Final answer
    x = 2,915.32

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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.