Home / 4,947.89-6,828.08-2,709.77

Finding the Fourth Proportional to 4,947.89, 6,828.08 and 2,709.77

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Solution

The fourth proportional to 4,947.89, 6,828.08 and 2,709.77 is: 3,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.89 : 6,828.08 = 2,709.77 : x
  2. Step 2: Convert to fraction form
    4,947.89/6,828.08 = 2,709.77/x
  3. Step 3: Cross multiply
    4,947.89x = 6,828.08 × 2,709.77
  4. Step 4: Simplify right side
    4,947.89x = 18,502,509.27
  5. Step 5: Solve for x
    x = 18,502,509.27/4,947.89
  6. Step 6: Final answer
    x = 3,739.47

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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.