Home / 5,410.40-8,107.39-4,017.21

Finding the Fourth Proportional to 5,410.40, 8,107.39 and 4,017.21

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Solution

The fourth proportional to 5,410.40, 8,107.39 and 4,017.21 is: 6,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.40 : 8,107.39 = 4,017.21 : x
  2. Step 2: Convert to fraction form
    5,410.40/8,107.39 = 4,017.21/x
  3. Step 3: Cross multiply
    5,410.40x = 8,107.39 × 4,017.21
  4. Step 4: Simplify right side
    5,410.40x = 32,569,088.18
  5. Step 5: Solve for x
    x = 32,569,088.18/5,410.40
  6. Step 6: Final answer
    x = 6,019.72

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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.