Home / 4,518.59-6,777.93-2,178.09

Finding the Fourth Proportional to 4,518.59, 6,777.93 and 2,178.09

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Solution

The fourth proportional to 4,518.59, 6,777.93 and 2,178.09 is: 3,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.59 : 6,777.93 = 2,178.09 : x
  2. Step 2: Convert to fraction form
    4,518.59/6,777.93 = 2,178.09/x
  3. Step 3: Cross multiply
    4,518.59x = 6,777.93 × 2,178.09
  4. Step 4: Simplify right side
    4,518.59x = 14,762,941.55
  5. Step 5: Solve for x
    x = 14,762,941.55/4,518.59
  6. Step 6: Final answer
    x = 3,267.16

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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.