Home / 4,987.88-6,882.95-2,749.77

Finding the Fourth Proportional to 4,987.88, 6,882.95 and 2,749.77

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Solution

The fourth proportional to 4,987.88, 6,882.95 and 2,749.77 is: 3,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.88 : 6,882.95 = 2,749.77 : x
  2. Step 2: Convert to fraction form
    4,987.88/6,882.95 = 2,749.77/x
  3. Step 3: Cross multiply
    4,987.88x = 6,882.95 × 2,749.77
  4. Step 4: Simplify right side
    4,987.88x = 18,926,515.67
  5. Step 5: Solve for x
    x = 18,926,515.67/4,987.88
  6. Step 6: Final answer
    x = 3,794.50

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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.