Home / 5,271.96-7,907.92-1,376.36

Finding the Fourth Proportional to 5,271.96, 7,907.92 and 1,376.36

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Solution

The fourth proportional to 5,271.96, 7,907.92 and 1,376.36 is: 2,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.96 : 7,907.92 = 1,376.36 : x
  2. Step 2: Convert to fraction form
    5,271.96/7,907.92 = 1,376.36/x
  3. Step 3: Cross multiply
    5,271.96x = 7,907.92 × 1,376.36
  4. Step 4: Simplify right side
    5,271.96x = 10,884,144.77
  5. Step 5: Solve for x
    x = 10,884,144.77/5,271.96
  6. Step 6: Final answer
    x = 2,064.53

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1.5x scale

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.