Home / 4,920.84-6,790.86-2,825.10

Finding the Fourth Proportional to 4,920.84, 6,790.86 and 2,825.10

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Solution

The fourth proportional to 4,920.84, 6,790.86 and 2,825.10 is: 3,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.84 : 6,790.86 = 2,825.10 : x
  2. Step 2: Convert to fraction form
    4,920.84/6,790.86 = 2,825.10/x
  3. Step 3: Cross multiply
    4,920.84x = 6,790.86 × 2,825.10
  4. Step 4: Simplify right side
    4,920.84x = 19,184,858.59
  5. Step 5: Solve for x
    x = 19,184,858.59/4,920.84
  6. Step 6: Final answer
    x = 3,898.70

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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.