Home / 5,931.80-8,188.50-3,542.60

Finding the Fourth Proportional to 5,931.80, 8,188.50 and 3,542.60

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Solution

The fourth proportional to 5,931.80, 8,188.50 and 3,542.60 is: 4,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.80 : 8,188.50 = 3,542.60 : x
  2. Step 2: Convert to fraction form
    5,931.80/8,188.50 = 3,542.60/x
  3. Step 3: Cross multiply
    5,931.80x = 8,188.50 × 3,542.60
  4. Step 4: Simplify right side
    5,931.80x = 29,008,580.10
  5. Step 5: Solve for x
    x = 29,008,580.10/5,931.80
  6. Step 6: Final answer
    x = 4,890.35

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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.