Home / 6,390.48-9,588.52-3,465.36

Finding the Fourth Proportional to 6,390.48, 9,588.52 and 3,465.36

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Solution

The fourth proportional to 6,390.48, 9,588.52 and 3,465.36 is: 5,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.48 : 9,588.52 = 3,465.36 : x
  2. Step 2: Convert to fraction form
    6,390.48/9,588.52 = 3,465.36/x
  3. Step 3: Cross multiply
    6,390.48x = 9,588.52 × 3,465.36
  4. Step 4: Simplify right side
    6,390.48x = 33,227,673.67
  5. Step 5: Solve for x
    x = 33,227,673.67/6,390.48
  6. Step 6: Final answer
    x = 5,199.56

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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.