Home / 4,824.82-6,656.29-3,145.65

Finding the Fourth Proportional to 4,824.82, 6,656.29 and 3,145.65

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Solution

The fourth proportional to 4,824.82, 6,656.29 and 3,145.65 is: 4,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.82 : 6,656.29 = 3,145.65 : x
  2. Step 2: Convert to fraction form
    4,824.82/6,656.29 = 3,145.65/x
  3. Step 3: Cross multiply
    4,824.82x = 6,656.29 × 3,145.65
  4. Step 4: Simplify right side
    4,824.82x = 20,938,358.64
  5. Step 5: Solve for x
    x = 20,938,358.64/4,824.82
  6. Step 6: Final answer
    x = 4,339.72

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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.