Home / 4,986.79-6,881.65-2,748.62

Finding the Fourth Proportional to 4,986.79, 6,881.65 and 2,748.62

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Solution

The fourth proportional to 4,986.79, 6,881.65 and 2,748.62 is: 3,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.79 : 6,881.65 = 2,748.62 : x
  2. Step 2: Convert to fraction form
    4,986.79/6,881.65 = 2,748.62/x
  3. Step 3: Cross multiply
    4,986.79x = 6,881.65 × 2,748.62
  4. Step 4: Simplify right side
    4,986.79x = 18,915,047.26
  5. Step 5: Solve for x
    x = 18,915,047.26/4,986.79
  6. Step 6: Final answer
    x = 3,793.03

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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.