Home / 4,986.30-6,880.81-2,748.17

Finding the Fourth Proportional to 4,986.30, 6,880.81 and 2,748.17

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Solution

The fourth proportional to 4,986.30, 6,880.81 and 2,748.17 is: 3,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.30 : 6,880.81 = 2,748.17 : x
  2. Step 2: Convert to fraction form
    4,986.30/6,880.81 = 2,748.17/x
  3. Step 3: Cross multiply
    4,986.30x = 6,880.81 × 2,748.17
  4. Step 4: Simplify right side
    4,986.30x = 18,909,594.34
  5. Step 5: Solve for x
    x = 18,909,594.34/4,986.30
  6. Step 6: Final answer
    x = 3,792.31

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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.