Home / 4,178.63-5,766.53-2,315.63

Finding the Fourth Proportional to 4,178.63, 5,766.53 and 2,315.63

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Solution

The fourth proportional to 4,178.63, 5,766.53 and 2,315.63 is: 3,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.63 : 5,766.53 = 2,315.63 : x
  2. Step 2: Convert to fraction form
    4,178.63/5,766.53 = 2,315.63/x
  3. Step 3: Cross multiply
    4,178.63x = 5,766.53 × 2,315.63
  4. Step 4: Simplify right side
    4,178.63x = 13,353,109.45
  5. Step 5: Solve for x
    x = 13,353,109.45/4,178.63
  6. Step 6: Final answer
    x = 3,195.57

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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.