Home / 4,779.45-7,169.27-1,817.10

Finding the Fourth Proportional to 4,779.45, 7,169.27 and 1,817.10

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Solution

The fourth proportional to 4,779.45, 7,169.27 and 1,817.10 is: 2,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.45 : 7,169.27 = 1,817.10 : x
  2. Step 2: Convert to fraction form
    4,779.45/7,169.27 = 1,817.10/x
  3. Step 3: Cross multiply
    4,779.45x = 7,169.27 × 1,817.10
  4. Step 4: Simplify right side
    4,779.45x = 13,027,271.43
  5. Step 5: Solve for x
    x = 13,027,271.43/4,779.45
  6. Step 6: Final answer
    x = 2,725.68

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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.