Home / 4,920.51-6,790.08-2,682.39

Finding the Fourth Proportional to 4,920.51, 6,790.08 and 2,682.39

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Solution

The fourth proportional to 4,920.51, 6,790.08 and 2,682.39 is: 3,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.51 : 6,790.08 = 2,682.39 : x
  2. Step 2: Convert to fraction form
    4,920.51/6,790.08 = 2,682.39/x
  3. Step 3: Cross multiply
    4,920.51x = 6,790.08 × 2,682.39
  4. Step 4: Simplify right side
    4,920.51x = 18,213,642.69
  5. Step 5: Solve for x
    x = 18,213,642.69/4,920.51
  6. Step 6: Final answer
    x = 3,701.58

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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.