Home / 5,277.34-7,282.74-2,919.57

Finding the Fourth Proportional to 5,277.34, 7,282.74 and 2,919.57

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Solution

The fourth proportional to 5,277.34, 7,282.74 and 2,919.57 is: 4,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.34 : 7,282.74 = 2,919.57 : x
  2. Step 2: Convert to fraction form
    5,277.34/7,282.74 = 2,919.57/x
  3. Step 3: Cross multiply
    5,277.34x = 7,282.74 × 2,919.57
  4. Step 4: Simplify right side
    5,277.34x = 21,262,469.22
  5. Step 5: Solve for x
    x = 21,262,469.22/5,277.34
  6. Step 6: Final answer
    x = 4,029.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.