Home / 4,118.95-6,178.37-1,653.72

Finding the Fourth Proportional to 4,118.95, 6,178.37 and 1,653.72

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Solution

The fourth proportional to 4,118.95, 6,178.37 and 1,653.72 is: 2,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.95 : 6,178.37 = 1,653.72 : x
  2. Step 2: Convert to fraction form
    4,118.95/6,178.37 = 1,653.72/x
  3. Step 3: Cross multiply
    4,118.95x = 6,178.37 × 1,653.72
  4. Step 4: Simplify right side
    4,118.95x = 10,217,305.35
  5. Step 5: Solve for x
    x = 10,217,305.35/4,118.95
  6. Step 6: Final answer
    x = 2,480.56

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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.