Home / 8,074.40-12,111.60-3,466.40

Finding the Fourth Proportional to 8,074.40, 12,111.60 and 3,466.40

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Solution

The fourth proportional to 8,074.40, 12,111.60 and 3,466.40 is: 5,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.40 : 12,111.60 = 3,466.40 : x
  2. Step 2: Convert to fraction form
    8,074.40/12,111.60 = 3,466.40/x
  3. Step 3: Cross multiply
    8,074.40x = 12,111.60 × 3,466.40
  4. Step 4: Simplify right side
    8,074.40x = 41,983,650.24
  5. Step 5: Solve for x
    x = 41,983,650.24/8,074.40
  6. Step 6: Final answer
    x = 5,199.60

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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.