Home / 5,411.32-8,119.40-2,293.62

Finding the Fourth Proportional to 5,411.32, 8,119.40 and 2,293.62

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Solution

The fourth proportional to 5,411.32, 8,119.40 and 2,293.62 is: 3,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.32 : 8,119.40 = 2,293.62 : x
  2. Step 2: Convert to fraction form
    5,411.32/8,119.40 = 2,293.62/x
  3. Step 3: Cross multiply
    5,411.32x = 8,119.40 × 2,293.62
  4. Step 4: Simplify right side
    5,411.32x = 18,622,818.23
  5. Step 5: Solve for x
    x = 18,622,818.23/5,411.32
  6. Step 6: Final answer
    x = 3,441.46

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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.