Home / 4,528.20-6,792.86-1,408.38

Finding the Fourth Proportional to 4,528.20, 6,792.86 and 1,408.38

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Solution

The fourth proportional to 4,528.20, 6,792.86 and 1,408.38 is: 2,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.20 : 6,792.86 = 1,408.38 : x
  2. Step 2: Convert to fraction form
    4,528.20/6,792.86 = 1,408.38/x
  3. Step 3: Cross multiply
    4,528.20x = 6,792.86 × 1,408.38
  4. Step 4: Simplify right side
    4,528.20x = 9,566,928.17
  5. Step 5: Solve for x
    x = 9,566,928.17/4,528.20
  6. Step 6: Final answer
    x = 2,112.74

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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.