Home / 6,889.08-10,335.24-2,145

Finding the Fourth Proportional to 6,889.08, 10,335.24 and 2,145

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Solution

The fourth proportional to 6,889.08, 10,335.24 and 2,145 is: 3,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.08 : 10,335.24 = 2,145 : x
  2. Step 2: Convert to fraction form
    6,889.08/10,335.24 = 2,145/x
  3. Step 3: Cross multiply
    6,889.08x = 10,335.24 × 2,145
  4. Step 4: Simplify right side
    6,889.08x = 22,169,089.80
  5. Step 5: Solve for x
    x = 22,169,089.80/6,889.08
  6. Step 6: Final answer
    x = 3,218.00

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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.