Home / 4,845.21-7,258.65-2,864.91

Finding the Fourth Proportional to 4,845.21, 7,258.65 and 2,864.91

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Solution

The fourth proportional to 4,845.21, 7,258.65 and 2,864.91 is: 4,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.21 : 7,258.65 = 2,864.91 : x
  2. Step 2: Convert to fraction form
    4,845.21/7,258.65 = 2,864.91/x
  3. Step 3: Cross multiply
    4,845.21x = 7,258.65 × 2,864.91
  4. Step 4: Simplify right side
    4,845.21x = 20,795,378.97
  5. Step 5: Solve for x
    x = 20,795,378.97/4,845.21
  6. Step 6: Final answer
    x = 4,291.95

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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.