Home / 7,289.50-10,931.94-2,357.94

Finding the Fourth Proportional to 7,289.50, 10,931.94 and 2,357.94

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Solution

The fourth proportional to 7,289.50, 10,931.94 and 2,357.94 is: 3,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.50 : 10,931.94 = 2,357.94 : x
  2. Step 2: Convert to fraction form
    7,289.50/10,931.94 = 2,357.94/x
  3. Step 3: Cross multiply
    7,289.50x = 10,931.94 × 2,357.94
  4. Step 4: Simplify right side
    7,289.50x = 25,776,858.60
  5. Step 5: Solve for x
    x = 25,776,858.60/7,289.50
  6. Step 6: Final answer
    x = 3,536.16

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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.