Home / 7,826.73-10,800.83-4,289.93

Finding the Fourth Proportional to 7,826.73, 10,800.83 and 4,289.93

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Solution

The fourth proportional to 7,826.73, 10,800.83 and 4,289.93 is: 5,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.73 : 10,800.83 = 4,289.93 : x
  2. Step 2: Convert to fraction form
    7,826.73/10,800.83 = 4,289.93/x
  3. Step 3: Cross multiply
    7,826.73x = 10,800.83 × 4,289.93
  4. Step 4: Simplify right side
    7,826.73x = 46,334,810.19
  5. Step 5: Solve for x
    x = 46,334,810.19/7,826.73
  6. Step 6: Final answer
    x = 5,920.07

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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.