Home / 4,507.92-6,220.80-2,738.88

Finding the Fourth Proportional to 4,507.92, 6,220.80 and 2,738.88

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Solution

The fourth proportional to 4,507.92, 6,220.80 and 2,738.88 is: 3,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.92 : 6,220.80 = 2,738.88 : x
  2. Step 2: Convert to fraction form
    4,507.92/6,220.80 = 2,738.88/x
  3. Step 3: Cross multiply
    4,507.92x = 6,220.80 × 2,738.88
  4. Step 4: Simplify right side
    4,507.92x = 17,038,024.70
  5. Step 5: Solve for x
    x = 17,038,024.70/4,507.92
  6. Step 6: Final answer
    x = 3,779.58

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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.