Home / 5,429.63-8,144.90-1,732.38

Finding the Fourth Proportional to 5,429.63, 8,144.90 and 1,732.38

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Solution

The fourth proportional to 5,429.63, 8,144.90 and 1,732.38 is: 2,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.63 : 8,144.90 = 1,732.38 : x
  2. Step 2: Convert to fraction form
    5,429.63/8,144.90 = 1,732.38/x
  3. Step 3: Cross multiply
    5,429.63x = 8,144.90 × 1,732.38
  4. Step 4: Simplify right side
    5,429.63x = 14,110,053.20
  5. Step 5: Solve for x
    x = 14,110,053.20/5,429.63
  6. Step 6: Final answer
    x = 2,598.72

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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.