Home / 4,984.91-6,878.99-2,858.98

Finding the Fourth Proportional to 4,984.91, 6,878.99 and 2,858.98

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Solution

The fourth proportional to 4,984.91, 6,878.99 and 2,858.98 is: 3,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.91 : 6,878.99 = 2,858.98 : x
  2. Step 2: Convert to fraction form
    4,984.91/6,878.99 = 2,858.98/x
  3. Step 3: Cross multiply
    4,984.91x = 6,878.99 × 2,858.98
  4. Step 4: Simplify right side
    4,984.91x = 19,666,894.83
  5. Step 5: Solve for x
    x = 19,666,894.83/4,984.91
  6. Step 6: Final answer
    x = 3,945.29

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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.