Home / 4,619.63-6,929.55-2,153.79

Finding the Fourth Proportional to 4,619.63, 6,929.55 and 2,153.79

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Solution

The fourth proportional to 4,619.63, 6,929.55 and 2,153.79 is: 3,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.63 : 6,929.55 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    4,619.63/6,929.55 = 2,153.79/x
  3. Step 3: Cross multiply
    4,619.63x = 6,929.55 × 2,153.79
  4. Step 4: Simplify right side
    4,619.63x = 14,924,795.49
  5. Step 5: Solve for x
    x = 14,924,795.49/4,619.63
  6. Step 6: Final answer
    x = 3,230.73

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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.