Home / 9,185.39-13,770.40-4,258.57

Finding the Fourth Proportional to 9,185.39, 13,770.40 and 4,258.57

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Solution

The fourth proportional to 9,185.39, 13,770.40 and 4,258.57 is: 6,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.39 : 13,770.40 = 4,258.57 : x
  2. Step 2: Convert to fraction form
    9,185.39/13,770.40 = 4,258.57/x
  3. Step 3: Cross multiply
    9,185.39x = 13,770.40 × 4,258.57
  4. Step 4: Simplify right side
    9,185.39x = 58,642,212.33
  5. Step 5: Solve for x
    x = 58,642,212.33/9,185.39
  6. Step 6: Final answer
    x = 6,384.29

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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.