Home / 4,117.56-6,178.74-1,777.44

Finding the Fourth Proportional to 4,117.56, 6,178.74 and 1,777.44

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Solution

The fourth proportional to 4,117.56, 6,178.74 and 1,777.44 is: 2,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.56 : 6,178.74 = 1,777.44 : x
  2. Step 2: Convert to fraction form
    4,117.56/6,178.74 = 1,777.44/x
  3. Step 3: Cross multiply
    4,117.56x = 6,178.74 × 1,777.44
  4. Step 4: Simplify right side
    4,117.56x = 10,982,339.63
  5. Step 5: Solve for x
    x = 10,982,339.63/4,117.56
  6. Step 6: Final answer
    x = 2,667.20

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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.