Home / 5,296.32-7,308.90-3,172.23

Finding the Fourth Proportional to 5,296.32, 7,308.90 and 3,172.23

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Solution

The fourth proportional to 5,296.32, 7,308.90 and 3,172.23 is: 4,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.32 : 7,308.90 = 3,172.23 : x
  2. Step 2: Convert to fraction form
    5,296.32/7,308.90 = 3,172.23/x
  3. Step 3: Cross multiply
    5,296.32x = 7,308.90 × 3,172.23
  4. Step 4: Simplify right side
    5,296.32x = 23,185,511.85
  5. Step 5: Solve for x
    x = 23,185,511.85/5,296.32
  6. Step 6: Final answer
    x = 4,377.66

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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.