Home / 4,855.60-7,284.20-2,666.16

Finding the Fourth Proportional to 4,855.60, 7,284.20 and 2,666.16

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Solution

The fourth proportional to 4,855.60, 7,284.20 and 2,666.16 is: 3,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.60 : 7,284.20 = 2,666.16 : x
  2. Step 2: Convert to fraction form
    4,855.60/7,284.20 = 2,666.16/x
  3. Step 3: Cross multiply
    4,855.60x = 7,284.20 × 2,666.16
  4. Step 4: Simplify right side
    4,855.60x = 19,420,842.67
  5. Step 5: Solve for x
    x = 19,420,842.67/4,855.60
  6. Step 6: Final answer
    x = 3,999.68

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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.