Home / 8,750.26-13,120.53-2,903.68

Finding the Fourth Proportional to 8,750.26, 13,120.53 and 2,903.68

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Solution

The fourth proportional to 8,750.26, 13,120.53 and 2,903.68 is: 4,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.26 : 13,120.53 = 2,903.68 : x
  2. Step 2: Convert to fraction form
    8,750.26/13,120.53 = 2,903.68/x
  3. Step 3: Cross multiply
    8,750.26x = 13,120.53 × 2,903.68
  4. Step 4: Simplify right side
    8,750.26x = 38,097,820.55
  5. Step 5: Solve for x
    x = 38,097,820.55/8,750.26
  6. Step 6: Final answer
    x = 4,353.91

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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.