Home / 5,426.04-8,138.04-1,530.42

Finding the Fourth Proportional to 5,426.04, 8,138.04 and 1,530.42

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Solution

The fourth proportional to 5,426.04, 8,138.04 and 1,530.42 is: 2,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.04 : 8,138.04 = 1,530.42 : x
  2. Step 2: Convert to fraction form
    5,426.04/8,138.04 = 1,530.42/x
  3. Step 3: Cross multiply
    5,426.04x = 8,138.04 × 1,530.42
  4. Step 4: Simplify right side
    5,426.04x = 12,454,619.18
  5. Step 5: Solve for x
    x = 12,454,619.18/5,426.04
  6. Step 6: Final answer
    x = 2,295.34

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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.