Home / 5,296.18-7,308.69-2,938.33

Finding the Fourth Proportional to 5,296.18, 7,308.69 and 2,938.33

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Solution

The fourth proportional to 5,296.18, 7,308.69 and 2,938.33 is: 4,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.18 : 7,308.69 = 2,938.33 : x
  2. Step 2: Convert to fraction form
    5,296.18/7,308.69 = 2,938.33/x
  3. Step 3: Cross multiply
    5,296.18x = 7,308.69 × 2,938.33
  4. Step 4: Simplify right side
    5,296.18x = 21,475,343.09
  5. Step 5: Solve for x
    x = 21,475,343.09/5,296.18
  6. Step 6: Final answer
    x = 4,054.87

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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.