Home / 8,518.08-12,778.74-2,973.01

Finding the Fourth Proportional to 8,518.08, 12,778.74 and 2,973.01

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Solution

The fourth proportional to 8,518.08, 12,778.74 and 2,973.01 is: 4,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.08 : 12,778.74 = 2,973.01 : x
  2. Step 2: Convert to fraction form
    8,518.08/12,778.74 = 2,973.01/x
  3. Step 3: Cross multiply
    8,518.08x = 12,778.74 × 2,973.01
  4. Step 4: Simplify right side
    8,518.08x = 37,991,257.91
  5. Step 5: Solve for x
    x = 37,991,257.91/8,518.08
  6. Step 6: Final answer
    x = 4,460.07

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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.