Home / 4,642.46-6,406.76-3,319.33

Finding the Fourth Proportional to 4,642.46, 6,406.76 and 3,319.33

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Solution

The fourth proportional to 4,642.46, 6,406.76 and 3,319.33 is: 4,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.46 : 6,406.76 = 3,319.33 : x
  2. Step 2: Convert to fraction form
    4,642.46/6,406.76 = 3,319.33/x
  3. Step 3: Cross multiply
    4,642.46x = 6,406.76 × 3,319.33
  4. Step 4: Simplify right side
    4,642.46x = 21,266,142.95
  5. Step 5: Solve for x
    x = 21,266,142.95/4,642.46
  6. Step 6: Final answer
    x = 4,580.79

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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.