Home / 9,119.60-13,682.60-3,276.40

Finding the Fourth Proportional to 9,119.60, 13,682.60 and 3,276.40

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Solution

The fourth proportional to 9,119.60, 13,682.60 and 3,276.40 is: 4,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.60 : 13,682.60 = 3,276.40 : x
  2. Step 2: Convert to fraction form
    9,119.60/13,682.60 = 3,276.40/x
  3. Step 3: Cross multiply
    9,119.60x = 13,682.60 × 3,276.40
  4. Step 4: Simplify right side
    9,119.60x = 44,829,670.64
  5. Step 5: Solve for x
    x = 44,829,670.64/9,119.60
  6. Step 6: Final answer
    x = 4,915.75

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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.