Home / 8,516.24-12,775.57-2,276.45

Finding the Fourth Proportional to 8,516.24, 12,775.57 and 2,276.45

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Solution

The fourth proportional to 8,516.24, 12,775.57 and 2,276.45 is: 3,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.24 : 12,775.57 = 2,276.45 : x
  2. Step 2: Convert to fraction form
    8,516.24/12,775.57 = 2,276.45/x
  3. Step 3: Cross multiply
    8,516.24x = 12,775.57 × 2,276.45
  4. Step 4: Simplify right side
    8,516.24x = 29,083,009.33
  5. Step 5: Solve for x
    x = 29,083,009.33/8,516.24
  6. Step 6: Final answer
    x = 3,415.01

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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.