Home / 6,025.78-8,313.60-3,929.50

Finding the Fourth Proportional to 6,025.78, 8,313.60 and 3,929.50

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Solution

The fourth proportional to 6,025.78, 8,313.60 and 3,929.50 is: 5,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,025.78 : 8,313.60 = 3,929.50 : x
  2. Step 2: Convert to fraction form
    6,025.78/8,313.60 = 3,929.50/x
  3. Step 3: Cross multiply
    6,025.78x = 8,313.60 × 3,929.50
  4. Step 4: Simplify right side
    6,025.78x = 32,668,291.20
  5. Step 5: Solve for x
    x = 32,668,291.20/6,025.78
  6. Step 6: Final answer
    x = 5,421.42

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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.