Home / 5,271.73-7,907.56-1,376.13

Finding the Fourth Proportional to 5,271.73, 7,907.56 and 1,376.13

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Solution

The fourth proportional to 5,271.73, 7,907.56 and 1,376.13 is: 2,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.73 : 7,907.56 = 1,376.13 : x
  2. Step 2: Convert to fraction form
    5,271.73/7,907.56 = 1,376.13/x
  3. Step 3: Cross multiply
    5,271.73x = 7,907.56 × 1,376.13
  4. Step 4: Simplify right side
    5,271.73x = 10,881,830.54
  5. Step 5: Solve for x
    x = 10,881,830.54/5,271.73
  6. Step 6: Final answer
    x = 2,064.19

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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.