Home / 5,419.40-8,120.86-4,026.24

Finding the Fourth Proportional to 5,419.40, 8,120.86 and 4,026.24

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Solution

The fourth proportional to 5,419.40, 8,120.86 and 4,026.24 is: 6,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.40 : 8,120.86 = 4,026.24 : x
  2. Step 2: Convert to fraction form
    5,419.40/8,120.86 = 4,026.24/x
  3. Step 3: Cross multiply
    5,419.40x = 8,120.86 × 4,026.24
  4. Step 4: Simplify right side
    5,419.40x = 32,696,521.30
  5. Step 5: Solve for x
    x = 32,696,521.30/5,419.40
  6. Step 6: Final answer
    x = 6,033.24

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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.