Home / 5,359.40-8,025.12-4,313.69

Finding the Fourth Proportional to 5,359.40, 8,025.12 and 4,313.69

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Solution

The fourth proportional to 5,359.40, 8,025.12 and 4,313.69 is: 6,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.40 : 8,025.12 = 4,313.69 : x
  2. Step 2: Convert to fraction form
    5,359.40/8,025.12 = 4,313.69/x
  3. Step 3: Cross multiply
    5,359.40x = 8,025.12 × 4,313.69
  4. Step 4: Simplify right side
    5,359.40x = 34,617,879.89
  5. Step 5: Solve for x
    x = 34,617,879.89/5,359.40
  6. Step 6: Final answer
    x = 6,459.28

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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.