Home / 8,749.67-13,122.90-2,826.68

Finding the Fourth Proportional to 8,749.67, 13,122.90 and 2,826.68

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Solution

The fourth proportional to 8,749.67, 13,122.90 and 2,826.68 is: 4,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.67 : 13,122.90 = 2,826.68 : x
  2. Step 2: Convert to fraction form
    8,749.67/13,122.90 = 2,826.68/x
  3. Step 3: Cross multiply
    8,749.67x = 13,122.90 × 2,826.68
  4. Step 4: Simplify right side
    8,749.67x = 37,094,173.36
  5. Step 5: Solve for x
    x = 37,094,173.36/8,749.67
  6. Step 6: Final answer
    x = 4,239.50

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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.