Home / 8,521.02-12,778.43-2,973.33

Finding the Fourth Proportional to 8,521.02, 12,778.43 and 2,973.33

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Solution

The fourth proportional to 8,521.02, 12,778.43 and 2,973.33 is: 4,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.02 : 12,778.43 = 2,973.33 : x
  2. Step 2: Convert to fraction form
    8,521.02/12,778.43 = 2,973.33/x
  3. Step 3: Cross multiply
    8,521.02x = 12,778.43 × 2,973.33
  4. Step 4: Simplify right side
    8,521.02x = 37,994,474.41
  5. Step 5: Solve for x
    x = 37,994,474.41/8,521.02
  6. Step 6: Final answer
    x = 4,458.91

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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.