Home / 4,275.99-6,412.32-1,313.55

Finding the Fourth Proportional to 4,275.99, 6,412.32 and 1,313.55

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Solution

The fourth proportional to 4,275.99, 6,412.32 and 1,313.55 is: 1,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.99 : 6,412.32 = 1,313.55 : x
  2. Step 2: Convert to fraction form
    4,275.99/6,412.32 = 1,313.55/x
  3. Step 3: Cross multiply
    4,275.99x = 6,412.32 × 1,313.55
  4. Step 4: Simplify right side
    4,275.99x = 8,422,902.94
  5. Step 5: Solve for x
    x = 8,422,902.94/4,275.99
  6. Step 6: Final answer
    x = 1,969.81

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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.