Home / 7,853.17-11,779.59-3,173.08

Finding the Fourth Proportional to 7,853.17, 11,779.59 and 3,173.08

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Solution

The fourth proportional to 7,853.17, 11,779.59 and 3,173.08 is: 4,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.17 : 11,779.59 = 3,173.08 : x
  2. Step 2: Convert to fraction form
    7,853.17/11,779.59 = 3,173.08/x
  3. Step 3: Cross multiply
    7,853.17x = 11,779.59 × 3,173.08
  4. Step 4: Simplify right side
    7,853.17x = 37,377,581.44
  5. Step 5: Solve for x
    x = 37,377,581.44/7,853.17
  6. Step 6: Final answer
    x = 4,759.55

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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.