Home / 4,277.68-6,412.37-2,085.21

Finding the Fourth Proportional to 4,277.68, 6,412.37 and 2,085.21

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Solution

The fourth proportional to 4,277.68, 6,412.37 and 2,085.21 is: 3,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.68 : 6,412.37 = 2,085.21 : x
  2. Step 2: Convert to fraction form
    4,277.68/6,412.37 = 2,085.21/x
  3. Step 3: Cross multiply
    4,277.68x = 6,412.37 × 2,085.21
  4. Step 4: Simplify right side
    4,277.68x = 13,371,127.62
  5. Step 5: Solve for x
    x = 13,371,127.62/4,277.68
  6. Step 6: Final answer
    x = 3,125.79

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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.