Home / 4,724.28-6,519.82-3,155

Finding the Fourth Proportional to 4,724.28, 6,519.82 and 3,155

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Solution

The fourth proportional to 4,724.28, 6,519.82 and 3,155 is: 4,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.28 : 6,519.82 = 3,155 : x
  2. Step 2: Convert to fraction form
    4,724.28/6,519.82 = 3,155/x
  3. Step 3: Cross multiply
    4,724.28x = 6,519.82 × 3,155
  4. Step 4: Simplify right side
    4,724.28x = 20,570,032.10
  5. Step 5: Solve for x
    x = 20,570,032.10/4,724.28
  6. Step 6: Final answer
    x = 4,354.11

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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.