Home / 6,971.75-9,621.08-3,828.01

Finding the Fourth Proportional to 6,971.75, 9,621.08 and 3,828.01

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Solution

The fourth proportional to 6,971.75, 9,621.08 and 3,828.01 is: 5,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.75 : 9,621.08 = 3,828.01 : x
  2. Step 2: Convert to fraction form
    6,971.75/9,621.08 = 3,828.01/x
  3. Step 3: Cross multiply
    6,971.75x = 9,621.08 × 3,828.01
  4. Step 4: Simplify right side
    6,971.75x = 36,829,551.92
  5. Step 5: Solve for x
    x = 36,829,551.92/6,971.75
  6. Step 6: Final answer
    x = 5,282.68

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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.