Home / 4,931.21-6,805.26-2,806.94

Finding the Fourth Proportional to 4,931.21, 6,805.26 and 2,806.94

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Solution

The fourth proportional to 4,931.21, 6,805.26 and 2,806.94 is: 3,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.21 : 6,805.26 = 2,806.94 : x
  2. Step 2: Convert to fraction form
    4,931.21/6,805.26 = 2,806.94/x
  3. Step 3: Cross multiply
    4,931.21x = 6,805.26 × 2,806.94
  4. Step 4: Simplify right side
    4,931.21x = 19,101,922.48
  5. Step 5: Solve for x
    x = 19,101,922.48/4,931.21
  6. Step 6: Final answer
    x = 3,873.68

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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.