Home / 4,947.84-6,828.12-2,709.76

Finding the Fourth Proportional to 4,947.84, 6,828.12 and 2,709.76

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Solution

The fourth proportional to 4,947.84, 6,828.12 and 2,709.76 is: 3,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.84 : 6,828.12 = 2,709.76 : x
  2. Step 2: Convert to fraction form
    4,947.84/6,828.12 = 2,709.76/x
  3. Step 3: Cross multiply
    4,947.84x = 6,828.12 × 2,709.76
  4. Step 4: Simplify right side
    4,947.84x = 18,502,566.45
  5. Step 5: Solve for x
    x = 18,502,566.45/4,947.84
  6. Step 6: Final answer
    x = 3,739.52

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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.