Home / 4,749.77-7,126.21-1,828.10

Finding the Fourth Proportional to 4,749.77, 7,126.21 and 1,828.10

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Solution

The fourth proportional to 4,749.77, 7,126.21 and 1,828.10 is: 2,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.77 : 7,126.21 = 1,828.10 : x
  2. Step 2: Convert to fraction form
    4,749.77/7,126.21 = 1,828.10/x
  3. Step 3: Cross multiply
    4,749.77x = 7,126.21 × 1,828.10
  4. Step 4: Simplify right side
    4,749.77x = 13,027,444.60
  5. Step 5: Solve for x
    x = 13,027,444.60/4,749.77
  6. Step 6: Final answer
    x = 2,742.75

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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.