Home / 4,779.56-7,162.86-2,176.76

Finding the Fourth Proportional to 4,779.56, 7,162.86 and 2,176.76

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Solution

The fourth proportional to 4,779.56, 7,162.86 and 2,176.76 is: 3,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.56 : 7,162.86 = 2,176.76 : x
  2. Step 2: Convert to fraction form
    4,779.56/7,162.86 = 2,176.76/x
  3. Step 3: Cross multiply
    4,779.56x = 7,162.86 × 2,176.76
  4. Step 4: Simplify right side
    4,779.56x = 15,591,827.13
  5. Step 5: Solve for x
    x = 15,591,827.13/4,779.56
  6. Step 6: Final answer
    x = 3,262.19

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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.