Home / 5,271.86-7,907.79-1,376.23

Finding the Fourth Proportional to 5,271.86, 7,907.79 and 1,376.23

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Solution

The fourth proportional to 5,271.86, 7,907.79 and 1,376.23 is: 2,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.86 : 7,907.79 = 1,376.23 : x
  2. Step 2: Convert to fraction form
    5,271.86/7,907.79 = 1,376.23/x
  3. Step 3: Cross multiply
    5,271.86x = 7,907.79 × 1,376.23
  4. Step 4: Simplify right side
    5,271.86x = 10,882,937.83
  5. Step 5: Solve for x
    x = 10,882,937.83/5,271.86
  6. Step 6: Final answer
    x = 2,064.35

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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.