Home / 8,400.22-12,576.63-4,442.51

Finding the Fourth Proportional to 8,400.22, 12,576.63 and 4,442.51

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Solution

The fourth proportional to 8,400.22, 12,576.63 and 4,442.51 is: 6,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.22 : 12,576.63 = 4,442.51 : x
  2. Step 2: Convert to fraction form
    8,400.22/12,576.63 = 4,442.51/x
  3. Step 3: Cross multiply
    8,400.22x = 12,576.63 × 4,442.51
  4. Step 4: Simplify right side
    8,400.22x = 55,871,852.64
  5. Step 5: Solve for x
    x = 55,871,852.64/8,400.22
  6. Step 6: Final answer
    x = 6,651.23

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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.