Home / 4,588.12-6,878.40-2,119.80

Finding the Fourth Proportional to 4,588.12, 6,878.40 and 2,119.80

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Solution

The fourth proportional to 4,588.12, 6,878.40 and 2,119.80 is: 3,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.12 : 6,878.40 = 2,119.80 : x
  2. Step 2: Convert to fraction form
    4,588.12/6,878.40 = 2,119.80/x
  3. Step 3: Cross multiply
    4,588.12x = 6,878.40 × 2,119.80
  4. Step 4: Simplify right side
    4,588.12x = 14,580,832.32
  5. Step 5: Solve for x
    x = 14,580,832.32/4,588.12
  6. Step 6: Final answer
    x = 3,177.95

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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.