Home / 8,986.68-13,480.50-2,746.88

Finding the Fourth Proportional to 8,986.68, 13,480.50 and 2,746.88

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Solution

The fourth proportional to 8,986.68, 13,480.50 and 2,746.88 is: 4,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.68 : 13,480.50 = 2,746.88 : x
  2. Step 2: Convert to fraction form
    8,986.68/13,480.50 = 2,746.88/x
  3. Step 3: Cross multiply
    8,986.68x = 13,480.50 × 2,746.88
  4. Step 4: Simplify right side
    8,986.68x = 37,029,315.84
  5. Step 5: Solve for x
    x = 37,029,315.84/8,986.68
  6. Step 6: Final answer
    x = 4,120.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.