Home / 4,928.30-7,392.45-3,826.70

Finding the Fourth Proportional to 4,928.30, 7,392.45 and 3,826.70

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Solution

The fourth proportional to 4,928.30, 7,392.45 and 3,826.70 is: 5,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.30 : 7,392.45 = 3,826.70 : x
  2. Step 2: Convert to fraction form
    4,928.30/7,392.45 = 3,826.70/x
  3. Step 3: Cross multiply
    4,928.30x = 7,392.45 × 3,826.70
  4. Step 4: Simplify right side
    4,928.30x = 28,288,688.42
  5. Step 5: Solve for x
    x = 28,288,688.42/4,928.30
  6. Step 6: Final answer
    x = 5,740.05

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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.