Home / 4,887.80-7,331.70-3,735.80

Finding the Fourth Proportional to 4,887.80, 7,331.70 and 3,735.80

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Solution

The fourth proportional to 4,887.80, 7,331.70 and 3,735.80 is: 5,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.80 : 7,331.70 = 3,735.80 : x
  2. Step 2: Convert to fraction form
    4,887.80/7,331.70 = 3,735.80/x
  3. Step 3: Cross multiply
    4,887.80x = 7,331.70 × 3,735.80
  4. Step 4: Simplify right side
    4,887.80x = 27,389,764.86
  5. Step 5: Solve for x
    x = 27,389,764.86/4,887.80
  6. Step 6: Final answer
    x = 5,603.70

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1.5x scale

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.