Home / 4,838.81-7,258.66-1,328.85

Finding the Fourth Proportional to 4,838.81, 7,258.66 and 1,328.85

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Solution

The fourth proportional to 4,838.81, 7,258.66 and 1,328.85 is: 1,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.81 : 7,258.66 = 1,328.85 : x
  2. Step 2: Convert to fraction form
    4,838.81/7,258.66 = 1,328.85/x
  3. Step 3: Cross multiply
    4,838.81x = 7,258.66 × 1,328.85
  4. Step 4: Simplify right side
    4,838.81x = 9,645,667.02
  5. Step 5: Solve for x
    x = 9,645,667.02/4,838.81
  6. Step 6: Final answer
    x = 1,993.40

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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.