Home / 7,826.37-10,800.57-4,801.42

Finding the Fourth Proportional to 7,826.37, 10,800.57 and 4,801.42

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Solution

The fourth proportional to 7,826.37, 10,800.57 and 4,801.42 is: 6,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.37 : 10,800.57 = 4,801.42 : x
  2. Step 2: Convert to fraction form
    7,826.37/10,800.57 = 4,801.42/x
  3. Step 3: Cross multiply
    7,826.37x = 10,800.57 × 4,801.42
  4. Step 4: Simplify right side
    7,826.37x = 51,858,072.81
  5. Step 5: Solve for x
    x = 51,858,072.81/7,826.37
  6. Step 6: Final answer
    x = 6,626.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.