Home / 7,289.07-10,903.47-5,520.79

Finding the Fourth Proportional to 7,289.07, 10,903.47 and 5,520.79

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Solution

The fourth proportional to 7,289.07, 10,903.47 and 5,520.79 is: 8,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.07 : 10,903.47 = 5,520.79 : x
  2. Step 2: Convert to fraction form
    7,289.07/10,903.47 = 5,520.79/x
  3. Step 3: Cross multiply
    7,289.07x = 10,903.47 × 5,520.79
  4. Step 4: Simplify right side
    7,289.07x = 60,195,768.14
  5. Step 5: Solve for x
    x = 60,195,768.14/7,289.07
  6. Step 6: Final answer
    x = 8,258.36

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1.5x scale

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.