Home / 5,840.39-8,749.23-5,185.91

Finding the Fourth Proportional to 5,840.39, 8,749.23 and 5,185.91

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Solution

The fourth proportional to 5,840.39, 8,749.23 and 5,185.91 is: 7,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.39 : 8,749.23 = 5,185.91 : x
  2. Step 2: Convert to fraction form
    5,840.39/8,749.23 = 5,185.91/x
  3. Step 3: Cross multiply
    5,840.39x = 8,749.23 × 5,185.91
  4. Step 4: Simplify right side
    5,840.39x = 45,372,675.60
  5. Step 5: Solve for x
    x = 45,372,675.60/5,840.39
  6. Step 6: Final answer
    x = 7,768.78

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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.