Home / 4,245.59-6,365.95-1,778.33

Finding the Fourth Proportional to 4,245.59, 6,365.95 and 1,778.33

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Solution

The fourth proportional to 4,245.59, 6,365.95 and 1,778.33 is: 2,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.59 : 6,365.95 = 1,778.33 : x
  2. Step 2: Convert to fraction form
    4,245.59/6,365.95 = 1,778.33/x
  3. Step 3: Cross multiply
    4,245.59x = 6,365.95 × 1,778.33
  4. Step 4: Simplify right side
    4,245.59x = 11,320,723.59
  5. Step 5: Solve for x
    x = 11,320,723.59/4,245.59
  6. Step 6: Final answer
    x = 2,666.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.