Home / 4,779.35-7,155.74-3,605.82

Finding the Fourth Proportional to 4,779.35, 7,155.74 and 3,605.82

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Solution

The fourth proportional to 4,779.35, 7,155.74 and 3,605.82 is: 5,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.35 : 7,155.74 = 3,605.82 : x
  2. Step 2: Convert to fraction form
    4,779.35/7,155.74 = 3,605.82/x
  3. Step 3: Cross multiply
    4,779.35x = 7,155.74 × 3,605.82
  4. Step 4: Simplify right side
    4,779.35x = 25,802,292.59
  5. Step 5: Solve for x
    x = 25,802,292.59/4,779.35
  6. Step 6: Final answer
    x = 5,398.70

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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.