Home / 4,647.12-6,412.52-2,550.80

Finding the Fourth Proportional to 4,647.12, 6,412.52 and 2,550.80

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Solution

The fourth proportional to 4,647.12, 6,412.52 and 2,550.80 is: 3,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.12 : 6,412.52 = 2,550.80 : x
  2. Step 2: Convert to fraction form
    4,647.12/6,412.52 = 2,550.80/x
  3. Step 3: Cross multiply
    4,647.12x = 6,412.52 × 2,550.80
  4. Step 4: Simplify right side
    4,647.12x = 16,357,056.02
  5. Step 5: Solve for x
    x = 16,357,056.02/4,647.12
  6. Step 6: Final answer
    x = 3,519.83

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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.