Home / 4,679.86-6,460.55-2,912.04

Finding the Fourth Proportional to 4,679.86, 6,460.55 and 2,912.04

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Solution

The fourth proportional to 4,679.86, 6,460.55 and 2,912.04 is: 4,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.86 : 6,460.55 = 2,912.04 : x
  2. Step 2: Convert to fraction form
    4,679.86/6,460.55 = 2,912.04/x
  3. Step 3: Cross multiply
    4,679.86x = 6,460.55 × 2,912.04
  4. Step 4: Simplify right side
    4,679.86x = 18,813,380.02
  5. Step 5: Solve for x
    x = 18,813,380.02/4,679.86
  6. Step 6: Final answer
    x = 4,020.07

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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.