Home / 8,370.90-12,558.24-2,823.84

Finding the Fourth Proportional to 8,370.90, 12,558.24 and 2,823.84

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Solution

The fourth proportional to 8,370.90, 12,558.24 and 2,823.84 is: 4,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.90 : 12,558.24 = 2,823.84 : x
  2. Step 2: Convert to fraction form
    8,370.90/12,558.24 = 2,823.84/x
  3. Step 3: Cross multiply
    8,370.90x = 12,558.24 × 2,823.84
  4. Step 4: Simplify right side
    8,370.90x = 35,462,460.44
  5. Step 5: Solve for x
    x = 35,462,460.44/8,370.90
  6. Step 6: Final answer
    x = 4,236.40

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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.