Home / 6,990.17-10,487.39-2,829.42

Finding the Fourth Proportional to 6,990.17, 10,487.39 and 2,829.42

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Solution

The fourth proportional to 6,990.17, 10,487.39 and 2,829.42 is: 4,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.17 : 10,487.39 = 2,829.42 : x
  2. Step 2: Convert to fraction form
    6,990.17/10,487.39 = 2,829.42/x
  3. Step 3: Cross multiply
    6,990.17x = 10,487.39 × 2,829.42
  4. Step 4: Simplify right side
    6,990.17x = 29,673,216.87
  5. Step 5: Solve for x
    x = 29,673,216.87/6,990.17
  6. Step 6: Final answer
    x = 4,245.00

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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.