Home / 4,742.88-6,544.72-2,971.36

Finding the Fourth Proportional to 4,742.88, 6,544.72 and 2,971.36

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Solution

The fourth proportional to 4,742.88, 6,544.72 and 2,971.36 is: 4,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.88 : 6,544.72 = 2,971.36 : x
  2. Step 2: Convert to fraction form
    4,742.88/6,544.72 = 2,971.36/x
  3. Step 3: Cross multiply
    4,742.88x = 6,544.72 × 2,971.36
  4. Step 4: Simplify right side
    4,742.88x = 19,446,719.22
  5. Step 5: Solve for x
    x = 19,446,719.22/4,742.88
  6. Step 6: Final answer
    x = 4,100.19

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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.