Home / 4,117.78-6,176.64-1,039.78

Finding the Fourth Proportional to 4,117.78, 6,176.64 and 1,039.78

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Solution

The fourth proportional to 4,117.78, 6,176.64 and 1,039.78 is: 1,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.78 : 6,176.64 = 1,039.78 : x
  2. Step 2: Convert to fraction form
    4,117.78/6,176.64 = 1,039.78/x
  3. Step 3: Cross multiply
    4,117.78x = 6,176.64 × 1,039.78
  4. Step 4: Simplify right side
    4,117.78x = 6,422,346.74
  5. Step 5: Solve for x
    x = 6,422,346.74/4,117.78
  6. Step 6: Final answer
    x = 1,559.66

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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.