Home / 5,277.19-7,281.89-2,919.01

Finding the Fourth Proportional to 5,277.19, 7,281.89 and 2,919.01

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Solution

The fourth proportional to 5,277.19, 7,281.89 and 2,919.01 is: 4,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.19 : 7,281.89 = 2,919.01 : x
  2. Step 2: Convert to fraction form
    5,277.19/7,281.89 = 2,919.01/x
  3. Step 3: Cross multiply
    5,277.19x = 7,281.89 × 2,919.01
  4. Step 4: Simplify right side
    5,277.19x = 21,255,887.88
  5. Step 5: Solve for x
    x = 21,255,887.88/5,277.19
  6. Step 6: Final answer
    x = 4,027.88

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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.