Home / 5,429.90-8,144.70-1,732.36

Finding the Fourth Proportional to 5,429.90, 8,144.70 and 1,732.36

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Solution

The fourth proportional to 5,429.90, 8,144.70 and 1,732.36 is: 2,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.90 : 8,144.70 = 1,732.36 : x
  2. Step 2: Convert to fraction form
    5,429.90/8,144.70 = 1,732.36/x
  3. Step 3: Cross multiply
    5,429.90x = 8,144.70 × 1,732.36
  4. Step 4: Simplify right side
    5,429.90x = 14,109,552.49
  5. Step 5: Solve for x
    x = 14,109,552.49/5,429.90
  6. Step 6: Final answer
    x = 2,598.49

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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.