Home / 9,119.35-12,584.70-4,927.60

Finding the Fourth Proportional to 9,119.35, 12,584.70 and 4,927.60

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Solution

The fourth proportional to 9,119.35, 12,584.70 and 4,927.60 is: 6,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.35 : 12,584.70 = 4,927.60 : x
  2. Step 2: Convert to fraction form
    9,119.35/12,584.70 = 4,927.60/x
  3. Step 3: Cross multiply
    9,119.35x = 12,584.70 × 4,927.60
  4. Step 4: Simplify right side
    9,119.35x = 62,012,367.72
  5. Step 5: Solve for x
    x = 62,012,367.72/9,119.35
  6. Step 6: Final answer
    x = 6,800.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.