Home / 4,087.67-6,129.63-1,165.28

Finding the Fourth Proportional to 4,087.67, 6,129.63 and 1,165.28

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Solution

The fourth proportional to 4,087.67, 6,129.63 and 1,165.28 is: 1,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.67 : 6,129.63 = 1,165.28 : x
  2. Step 2: Convert to fraction form
    4,087.67/6,129.63 = 1,165.28/x
  3. Step 3: Cross multiply
    4,087.67x = 6,129.63 × 1,165.28
  4. Step 4: Simplify right side
    4,087.67x = 7,142,704.60
  5. Step 5: Solve for x
    x = 7,142,704.60/4,087.67
  6. Step 6: Final answer
    x = 1,747.38

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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.