Home / 4,856.96-7,284.16-1,394.40

Finding the Fourth Proportional to 4,856.96, 7,284.16 and 1,394.40

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Solution

The fourth proportional to 4,856.96, 7,284.16 and 1,394.40 is: 2,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.96 : 7,284.16 = 1,394.40 : x
  2. Step 2: Convert to fraction form
    4,856.96/7,284.16 = 1,394.40/x
  3. Step 3: Cross multiply
    4,856.96x = 7,284.16 × 1,394.40
  4. Step 4: Simplify right side
    4,856.96x = 10,157,032.70
  5. Step 5: Solve for x
    x = 10,157,032.70/4,856.96
  6. Step 6: Final answer
    x = 2,091.23

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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.