Home / 6,983.36-10,472.80-3,087.68

Finding the Fourth Proportional to 6,983.36, 10,472.80 and 3,087.68

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Solution

The fourth proportional to 6,983.36, 10,472.80 and 3,087.68 is: 4,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.36 : 10,472.80 = 3,087.68 : x
  2. Step 2: Convert to fraction form
    6,983.36/10,472.80 = 3,087.68/x
  3. Step 3: Cross multiply
    6,983.36x = 10,472.80 × 3,087.68
  4. Step 4: Simplify right side
    6,983.36x = 32,336,655.10
  5. Step 5: Solve for x
    x = 32,336,655.10/6,983.36
  6. Step 6: Final answer
    x = 4,630.53

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1.5x scale

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.