Home / 6,815.16-10,222.75-1,884.80

Finding the Fourth Proportional to 6,815.16, 10,222.75 and 1,884.80

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Solution

The fourth proportional to 6,815.16, 10,222.75 and 1,884.80 is: 2,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.16 : 10,222.75 = 1,884.80 : x
  2. Step 2: Convert to fraction form
    6,815.16/10,222.75 = 1,884.80/x
  3. Step 3: Cross multiply
    6,815.16x = 10,222.75 × 1,884.80
  4. Step 4: Simplify right side
    6,815.16x = 19,267,861.81
  5. Step 5: Solve for x
    x = 19,267,861.81/6,815.16
  6. Step 6: Final answer
    x = 2,827.20

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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.