Home / 5,277.22-7,918.53-2,159.53

Finding the Fourth Proportional to 5,277.22, 7,918.53 and 2,159.53

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Solution

The fourth proportional to 5,277.22, 7,918.53 and 2,159.53 is: 3,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.22 : 7,918.53 = 2,159.53 : x
  2. Step 2: Convert to fraction form
    5,277.22/7,918.53 = 2,159.53/x
  3. Step 3: Cross multiply
    5,277.22x = 7,918.53 × 2,159.53
  4. Step 4: Simplify right side
    5,277.22x = 17,100,303.09
  5. Step 5: Solve for x
    x = 17,100,303.09/5,277.22
  6. Step 6: Final answer
    x = 3,240.40

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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.