Home / 6,619.29-9,133.93-3,966.63

Finding the Fourth Proportional to 6,619.29, 9,133.93 and 3,966.63

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Solution

The fourth proportional to 6,619.29, 9,133.93 and 3,966.63 is: 5,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.29 : 9,133.93 = 3,966.63 : x
  2. Step 2: Convert to fraction form
    6,619.29/9,133.93 = 3,966.63/x
  3. Step 3: Cross multiply
    6,619.29x = 9,133.93 × 3,966.63
  4. Step 4: Simplify right side
    6,619.29x = 36,230,920.76
  5. Step 5: Solve for x
    x = 36,230,920.76/6,619.29
  6. Step 6: Final answer
    x = 5,473.54

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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.