Home / 5,725.90-7,901.35-3,173.50

Finding the Fourth Proportional to 5,725.90, 7,901.35 and 3,173.50

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Solution

The fourth proportional to 5,725.90, 7,901.35 and 3,173.50 is: 4,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.90 : 7,901.35 = 3,173.50 : x
  2. Step 2: Convert to fraction form
    5,725.90/7,901.35 = 3,173.50/x
  3. Step 3: Cross multiply
    5,725.90x = 7,901.35 × 3,173.50
  4. Step 4: Simplify right side
    5,725.90x = 25,074,934.23
  5. Step 5: Solve for x
    x = 25,074,934.23/5,725.90
  6. Step 6: Final answer
    x = 4,379.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.