Home / 4,908.95-6,774.38-2,670.92

Finding the Fourth Proportional to 4,908.95, 6,774.38 and 2,670.92

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Solution

The fourth proportional to 4,908.95, 6,774.38 and 2,670.92 is: 3,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.95 : 6,774.38 = 2,670.92 : x
  2. Step 2: Convert to fraction form
    4,908.95/6,774.38 = 2,670.92/x
  3. Step 3: Cross multiply
    4,908.95x = 6,774.38 × 2,670.92
  4. Step 4: Simplify right side
    4,908.95x = 18,093,868.35
  5. Step 5: Solve for x
    x = 18,093,868.35/4,908.95
  6. Step 6: Final answer
    x = 3,685.89

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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.