Home / 9,087.08-13,630.46-2,931.08

Finding the Fourth Proportional to 9,087.08, 13,630.46 and 2,931.08

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Solution

The fourth proportional to 9,087.08, 13,630.46 and 2,931.08 is: 4,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.08 : 13,630.46 = 2,931.08 : x
  2. Step 2: Convert to fraction form
    9,087.08/13,630.46 = 2,931.08/x
  3. Step 3: Cross multiply
    9,087.08x = 13,630.46 × 2,931.08
  4. Step 4: Simplify right side
    9,087.08x = 39,951,968.70
  5. Step 5: Solve for x
    x = 39,951,968.70/9,087.08
  6. Step 6: Final answer
    x = 4,396.57

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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.