Home / 5,273.94-7,907.66-2,151.40

Finding the Fourth Proportional to 5,273.94, 7,907.66 and 2,151.40

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Solution

The fourth proportional to 5,273.94, 7,907.66 and 2,151.40 is: 3,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.94 : 7,907.66 = 2,151.40 : x
  2. Step 2: Convert to fraction form
    5,273.94/7,907.66 = 2,151.40/x
  3. Step 3: Cross multiply
    5,273.94x = 7,907.66 × 2,151.40
  4. Step 4: Simplify right side
    5,273.94x = 17,012,539.72
  5. Step 5: Solve for x
    x = 17,012,539.72/5,273.94
  6. Step 6: Final answer
    x = 3,225.77

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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.