Home / 5,272.14-7,907.52-1,376.84

Finding the Fourth Proportional to 5,272.14, 7,907.52 and 1,376.84

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Solution

The fourth proportional to 5,272.14, 7,907.52 and 1,376.84 is: 2,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.14 : 7,907.52 = 1,376.84 : x
  2. Step 2: Convert to fraction form
    5,272.14/7,907.52 = 1,376.84/x
  3. Step 3: Cross multiply
    5,272.14x = 7,907.52 × 1,376.84
  4. Step 4: Simplify right side
    5,272.14x = 10,887,389.84
  5. Step 5: Solve for x
    x = 10,887,389.84/5,272.14
  6. Step 6: Final answer
    x = 2,065.08

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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.