Home / 7,289.37-10,931.75-2,357.86

Finding the Fourth Proportional to 7,289.37, 10,931.75 and 2,357.86

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Solution

The fourth proportional to 7,289.37, 10,931.75 and 2,357.86 is: 3,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.37 : 10,931.75 = 2,357.86 : x
  2. Step 2: Convert to fraction form
    7,289.37/10,931.75 = 2,357.86/x
  3. Step 3: Cross multiply
    7,289.37x = 10,931.75 × 2,357.86
  4. Step 4: Simplify right side
    7,289.37x = 25,775,537.88
  5. Step 5: Solve for x
    x = 25,775,537.88/7,289.37
  6. Step 6: Final answer
    x = 3,536.04

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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.