Home / 7,272.79-10,035.09-4,289.56

Finding the Fourth Proportional to 7,272.79, 10,035.09 and 4,289.56

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Solution

The fourth proportional to 7,272.79, 10,035.09 and 4,289.56 is: 5,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.79 : 10,035.09 = 4,289.56 : x
  2. Step 2: Convert to fraction form
    7,272.79/10,035.09 = 4,289.56/x
  3. Step 3: Cross multiply
    7,272.79x = 10,035.09 × 4,289.56
  4. Step 4: Simplify right side
    7,272.79x = 43,046,095.57
  5. Step 5: Solve for x
    x = 43,046,095.57/7,272.79
  6. Step 6: Final answer
    x = 5,918.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.