Home / 4,779.45-7,160.06-2,800.22

Finding the Fourth Proportional to 4,779.45, 7,160.06 and 2,800.22

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Solution

The fourth proportional to 4,779.45, 7,160.06 and 2,800.22 is: 4,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.45 : 7,160.06 = 2,800.22 : x
  2. Step 2: Convert to fraction form
    4,779.45/7,160.06 = 2,800.22/x
  3. Step 3: Cross multiply
    4,779.45x = 7,160.06 × 2,800.22
  4. Step 4: Simplify right side
    4,779.45x = 20,049,714.41
  5. Step 5: Solve for x
    x = 20,049,714.41/4,779.45
  6. Step 6: Final answer
    x = 4,194.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.