Home / 5,277.98-7,917.01-1,329.23

Finding the Fourth Proportional to 5,277.98, 7,917.01 and 1,329.23

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Solution

The fourth proportional to 5,277.98, 7,917.01 and 1,329.23 is: 1,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.98 : 7,917.01 = 1,329.23 : x
  2. Step 2: Convert to fraction form
    5,277.98/7,917.01 = 1,329.23/x
  3. Step 3: Cross multiply
    5,277.98x = 7,917.01 × 1,329.23
  4. Step 4: Simplify right side
    5,277.98x = 10,523,543.67
  5. Step 5: Solve for x
    x = 10,523,543.67/5,277.98
  6. Step 6: Final answer
    x = 1,993.86

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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.