Home / 6,685.36-10,031.50-2,990.14

Finding the Fourth Proportional to 6,685.36, 10,031.50 and 2,990.14

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Solution

The fourth proportional to 6,685.36, 10,031.50 and 2,990.14 is: 4,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.36 : 10,031.50 = 2,990.14 : x
  2. Step 2: Convert to fraction form
    6,685.36/10,031.50 = 2,990.14/x
  3. Step 3: Cross multiply
    6,685.36x = 10,031.50 × 2,990.14
  4. Step 4: Simplify right side
    6,685.36x = 29,995,589.41
  5. Step 5: Solve for x
    x = 29,995,589.41/6,685.36
  6. Step 6: Final answer
    x = 4,486.76

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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.