Home / 10,727.60-16,091.40-2,830.10

Finding the Fourth Proportional to 10,727.60, 16,091.40 and 2,830.10

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Solution

The fourth proportional to 10,727.60, 16,091.40 and 2,830.10 is: 4,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.60 : 16,091.40 = 2,830.10 : x
  2. Step 2: Convert to fraction form
    10,727.60/16,091.40 = 2,830.10/x
  3. Step 3: Cross multiply
    10,727.60x = 16,091.40 × 2,830.10
  4. Step 4: Simplify right side
    10,727.60x = 45,540,271.14
  5. Step 5: Solve for x
    x = 45,540,271.14/10,727.60
  6. Step 6: Final answer
    x = 4,245.15

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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.