Home / 8,528.40-12,790.44-3,334.32

Finding the Fourth Proportional to 8,528.40, 12,790.44 and 3,334.32

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Solution

The fourth proportional to 8,528.40, 12,790.44 and 3,334.32 is: 5,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.40 : 12,790.44 = 3,334.32 : x
  2. Step 2: Convert to fraction form
    8,528.40/12,790.44 = 3,334.32/x
  3. Step 3: Cross multiply
    8,528.40x = 12,790.44 × 3,334.32
  4. Step 4: Simplify right side
    8,528.40x = 42,647,419.90
  5. Step 5: Solve for x
    x = 42,647,419.90/8,528.40
  6. Step 6: Final answer
    x = 5,000.64

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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.