Home / 6,689.68-10,033.98-2,991.76

Finding the Fourth Proportional to 6,689.68, 10,033.98 and 2,991.76

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Solution

The fourth proportional to 6,689.68, 10,033.98 and 2,991.76 is: 4,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.68 : 10,033.98 = 2,991.76 : x
  2. Step 2: Convert to fraction form
    6,689.68/10,033.98 = 2,991.76/x
  3. Step 3: Cross multiply
    6,689.68x = 10,033.98 × 2,991.76
  4. Step 4: Simplify right side
    6,689.68x = 30,019,260.00
  5. Step 5: Solve for x
    x = 30,019,260.00/6,689.68
  6. Step 6: Final answer
    x = 4,487.40

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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.