Home / 6,983.52-10,478.88-3,090.48

Finding the Fourth Proportional to 6,983.52, 10,478.88 and 3,090.48

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Solution

The fourth proportional to 6,983.52, 10,478.88 and 3,090.48 is: 4,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.52 : 10,478.88 = 3,090.48 : x
  2. Step 2: Convert to fraction form
    6,983.52/10,478.88 = 3,090.48/x
  3. Step 3: Cross multiply
    6,983.52x = 10,478.88 × 3,090.48
  4. Step 4: Simplify right side
    6,983.52x = 32,384,769.06
  5. Step 5: Solve for x
    x = 32,384,769.06/6,983.52
  6. Step 6: Final answer
    x = 4,637.31

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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.