Home / 9,253.37-12,770.93-5,479.75

Finding the Fourth Proportional to 9,253.37, 12,770.93 and 5,479.75

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Solution

The fourth proportional to 9,253.37, 12,770.93 and 5,479.75 is: 7,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.37 : 12,770.93 = 5,479.75 : x
  2. Step 2: Convert to fraction form
    9,253.37/12,770.93 = 5,479.75/x
  3. Step 3: Cross multiply
    9,253.37x = 12,770.93 × 5,479.75
  4. Step 4: Simplify right side
    9,253.37x = 69,981,533.33
  5. Step 5: Solve for x
    x = 69,981,533.33/9,253.37
  6. Step 6: Final answer
    x = 7,562.81

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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.