Home / 7,845.50-10,826.87-4,260.50

Finding the Fourth Proportional to 7,845.50, 10,826.87 and 4,260.50

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Solution

The fourth proportional to 7,845.50, 10,826.87 and 4,260.50 is: 5,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.50 : 10,826.87 = 4,260.50 : x
  2. Step 2: Convert to fraction form
    7,845.50/10,826.87 = 4,260.50/x
  3. Step 3: Cross multiply
    7,845.50x = 10,826.87 × 4,260.50
  4. Step 4: Simplify right side
    7,845.50x = 46,127,804.20
  5. Step 5: Solve for x
    x = 46,127,804.20/7,845.50
  6. Step 6: Final answer
    x = 5,879.53

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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.