Home / 6,971.54-9,620.74-3,784.84

Finding the Fourth Proportional to 6,971.54, 9,620.74 and 3,784.84

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Solution

The fourth proportional to 6,971.54, 9,620.74 and 3,784.84 is: 5,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.54 : 9,620.74 = 3,784.84 : x
  2. Step 2: Convert to fraction form
    6,971.54/9,620.74 = 3,784.84/x
  3. Step 3: Cross multiply
    6,971.54x = 9,620.74 × 3,784.84
  4. Step 4: Simplify right side
    6,971.54x = 36,412,938.71
  5. Step 5: Solve for x
    x = 36,412,938.71/6,971.54
  6. Step 6: Final answer
    x = 5,223.08

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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.