Home / 7,289.78-10,059.60-4,306.58

Finding the Fourth Proportional to 7,289.78, 10,059.60 and 4,306.58

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Solution

The fourth proportional to 7,289.78, 10,059.60 and 4,306.58 is: 5,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.78 : 10,059.60 = 4,306.58 : x
  2. Step 2: Convert to fraction form
    7,289.78/10,059.60 = 4,306.58/x
  3. Step 3: Cross multiply
    7,289.78x = 10,059.60 × 4,306.58
  4. Step 4: Simplify right side
    7,289.78x = 43,322,421.87
  5. Step 5: Solve for x
    x = 43,322,421.87/7,289.78
  6. Step 6: Final answer
    x = 5,942.90

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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.