Home / 4,719.68-6,513.12-2,623.84

Finding the Fourth Proportional to 4,719.68, 6,513.12 and 2,623.84

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Solution

The fourth proportional to 4,719.68, 6,513.12 and 2,623.84 is: 3,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.68 : 6,513.12 = 2,623.84 : x
  2. Step 2: Convert to fraction form
    4,719.68/6,513.12 = 2,623.84/x
  3. Step 3: Cross multiply
    4,719.68x = 6,513.12 × 2,623.84
  4. Step 4: Simplify right side
    4,719.68x = 17,089,384.78
  5. Step 5: Solve for x
    x = 17,089,384.78/4,719.68
  6. Step 6: Final answer
    x = 3,620.88

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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.