Home / 4,657.82-6,428.22-2,668.55

Finding the Fourth Proportional to 4,657.82, 6,428.22 and 2,668.55

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Solution

The fourth proportional to 4,657.82, 6,428.22 and 2,668.55 is: 3,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.82 : 6,428.22 = 2,668.55 : x
  2. Step 2: Convert to fraction form
    4,657.82/6,428.22 = 2,668.55/x
  3. Step 3: Cross multiply
    4,657.82x = 6,428.22 × 2,668.55
  4. Step 4: Simplify right side
    4,657.82x = 17,154,026.48
  5. Step 5: Solve for x
    x = 17,154,026.48/4,657.82
  6. Step 6: Final answer
    x = 3,682.84

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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.