Home / 5,429.18-8,144.40-1,730.12

Finding the Fourth Proportional to 5,429.18, 8,144.40 and 1,730.12

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Solution

The fourth proportional to 5,429.18, 8,144.40 and 1,730.12 is: 2,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.18 : 8,144.40 = 1,730.12 : x
  2. Step 2: Convert to fraction form
    5,429.18/8,144.40 = 1,730.12/x
  3. Step 3: Cross multiply
    5,429.18x = 8,144.40 × 1,730.12
  4. Step 4: Simplify right side
    5,429.18x = 14,090,789.33
  5. Step 5: Solve for x
    x = 14,090,789.33/5,429.18
  6. Step 6: Final answer
    x = 2,595.38

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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.