Home / 6,525.16-9,788.95-2,145.69

Finding the Fourth Proportional to 6,525.16, 9,788.95 and 2,145.69

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Solution

The fourth proportional to 6,525.16, 9,788.95 and 2,145.69 is: 3,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.16 : 9,788.95 = 2,145.69 : x
  2. Step 2: Convert to fraction form
    6,525.16/9,788.95 = 2,145.69/x
  3. Step 3: Cross multiply
    6,525.16x = 9,788.95 × 2,145.69
  4. Step 4: Simplify right side
    6,525.16x = 21,004,054.81
  5. Step 5: Solve for x
    x = 21,004,054.81/6,525.16
  6. Step 6: Final answer
    x = 3,218.93

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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.