Home / 4,987.48-6,883.12-2,749.76

Finding the Fourth Proportional to 4,987.48, 6,883.12 and 2,749.76

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Solution

The fourth proportional to 4,987.48, 6,883.12 and 2,749.76 is: 3,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.48 : 6,883.12 = 2,749.76 : x
  2. Step 2: Convert to fraction form
    4,987.48/6,883.12 = 2,749.76/x
  3. Step 3: Cross multiply
    4,987.48x = 6,883.12 × 2,749.76
  4. Step 4: Simplify right side
    4,987.48x = 18,926,928.05
  5. Step 5: Solve for x
    x = 18,926,928.05/4,987.48
  6. Step 6: Final answer
    x = 3,794.89

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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.