Home / 6,971.45-9,620.63-3,827.63

Finding the Fourth Proportional to 6,971.45, 9,620.63 and 3,827.63

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Solution

The fourth proportional to 6,971.45, 9,620.63 and 3,827.63 is: 5,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.45 : 9,620.63 = 3,827.63 : x
  2. Step 2: Convert to fraction form
    6,971.45/9,620.63 = 3,827.63/x
  3. Step 3: Cross multiply
    6,971.45x = 9,620.63 × 3,827.63
  4. Step 4: Simplify right side
    6,971.45x = 36,824,144.77
  5. Step 5: Solve for x
    x = 36,824,144.77/6,971.45
  6. Step 6: Final answer
    x = 5,282.14

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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.