Home / 8,727.40-13,080.86-4,100.84

Finding the Fourth Proportional to 8,727.40, 13,080.86 and 4,100.84

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Solution

The fourth proportional to 8,727.40, 13,080.86 and 4,100.84 is: 6,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.40 : 13,080.86 = 4,100.84 : x
  2. Step 2: Convert to fraction form
    8,727.40/13,080.86 = 4,100.84/x
  3. Step 3: Cross multiply
    8,727.40x = 13,080.86 × 4,100.84
  4. Step 4: Simplify right side
    8,727.40x = 53,642,513.92
  5. Step 5: Solve for x
    x = 53,642,513.92/8,727.40
  6. Step 6: Final answer
    x = 6,146.45

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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.