Home / 5,324.10-7,989.90-1,995.21

Finding the Fourth Proportional to 5,324.10, 7,989.90 and 1,995.21

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Solution

The fourth proportional to 5,324.10, 7,989.90 and 1,995.21 is: 2,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.10 : 7,989.90 = 1,995.21 : x
  2. Step 2: Convert to fraction form
    5,324.10/7,989.90 = 1,995.21/x
  3. Step 3: Cross multiply
    5,324.10x = 7,989.90 × 1,995.21
  4. Step 4: Simplify right side
    5,324.10x = 15,941,528.38
  5. Step 5: Solve for x
    x = 15,941,528.38/5,324.10
  6. Step 6: Final answer
    x = 2,994.22

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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.