Home / 6,488.40-9,725.64-3,365.28

Finding the Fourth Proportional to 6,488.40, 9,725.64 and 3,365.28

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Solution

The fourth proportional to 6,488.40, 9,725.64 and 3,365.28 is: 5,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.40 : 9,725.64 = 3,365.28 : x
  2. Step 2: Convert to fraction form
    6,488.40/9,725.64 = 3,365.28/x
  3. Step 3: Cross multiply
    6,488.40x = 9,725.64 × 3,365.28
  4. Step 4: Simplify right side
    6,488.40x = 32,729,501.78
  5. Step 5: Solve for x
    x = 32,729,501.78/6,488.40
  6. Step 6: Final answer
    x = 5,044.31

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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.