Home / 8,739.96-12,063.78-5,947.08

Finding the Fourth Proportional to 8,739.96, 12,063.78 and 5,947.08

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Solution

The fourth proportional to 8,739.96, 12,063.78 and 5,947.08 is: 8,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.96 : 12,063.78 = 5,947.08 : x
  2. Step 2: Convert to fraction form
    8,739.96/12,063.78 = 5,947.08/x
  3. Step 3: Cross multiply
    8,739.96x = 12,063.78 × 5,947.08
  4. Step 4: Simplify right side
    8,739.96x = 71,744,264.76
  5. Step 5: Solve for x
    x = 71,744,264.76/8,739.96
  6. Step 6: Final answer
    x = 8,208.76

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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.