Home / 4,947.77-6,828.03-2,709.74

Finding the Fourth Proportional to 4,947.77, 6,828.03 and 2,709.74

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Solution

The fourth proportional to 4,947.77, 6,828.03 and 2,709.74 is: 3,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.77 : 6,828.03 = 2,709.74 : x
  2. Step 2: Convert to fraction form
    4,947.77/6,828.03 = 2,709.74/x
  3. Step 3: Cross multiply
    4,947.77x = 6,828.03 × 2,709.74
  4. Step 4: Simplify right side
    4,947.77x = 18,502,186.01
  5. Step 5: Solve for x
    x = 18,502,186.01/4,947.77
  6. Step 6: Final answer
    x = 3,739.50

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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.