Home / 4,719.40-6,512.56-2,623.68

Finding the Fourth Proportional to 4,719.40, 6,512.56 and 2,623.68

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Solution

The fourth proportional to 4,719.40, 6,512.56 and 2,623.68 is: 3,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.40 : 6,512.56 = 2,623.68 : x
  2. Step 2: Convert to fraction form
    4,719.40/6,512.56 = 2,623.68/x
  3. Step 3: Cross multiply
    4,719.40x = 6,512.56 × 2,623.68
  4. Step 4: Simplify right side
    4,719.40x = 17,086,873.42
  5. Step 5: Solve for x
    x = 17,086,873.42/4,719.40
  6. Step 6: Final answer
    x = 3,620.56

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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.