Home / 8,749.64-13,124.70-2,826.78

Finding the Fourth Proportional to 8,749.64, 13,124.70 and 2,826.78

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Solution

The fourth proportional to 8,749.64, 13,124.70 and 2,826.78 is: 4,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.64 : 13,124.70 = 2,826.78 : x
  2. Step 2: Convert to fraction form
    8,749.64/13,124.70 = 2,826.78/x
  3. Step 3: Cross multiply
    8,749.64x = 13,124.70 × 2,826.78
  4. Step 4: Simplify right side
    8,749.64x = 37,100,639.47
  5. Step 5: Solve for x
    x = 37,100,639.47/8,749.64
  6. Step 6: Final answer
    x = 4,240.25

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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.