Home / 4,973.75-6,861.79-2,848.13

Finding the Fourth Proportional to 4,973.75, 6,861.79 and 2,848.13

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Solution

The fourth proportional to 4,973.75, 6,861.79 and 2,848.13 is: 3,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.75 : 6,861.79 = 2,848.13 : x
  2. Step 2: Convert to fraction form
    4,973.75/6,861.79 = 2,848.13/x
  3. Step 3: Cross multiply
    4,973.75x = 6,861.79 × 2,848.13
  4. Step 4: Simplify right side
    4,973.75x = 19,543,269.95
  5. Step 5: Solve for x
    x = 19,543,269.95/4,973.75
  6. Step 6: Final answer
    x = 3,929.28

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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.