Home / 4,315.25-6,472.33-1,720.01

Finding the Fourth Proportional to 4,315.25, 6,472.33 and 1,720.01

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Solution

The fourth proportional to 4,315.25, 6,472.33 and 1,720.01 is: 2,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.25 : 6,472.33 = 1,720.01 : x
  2. Step 2: Convert to fraction form
    4,315.25/6,472.33 = 1,720.01/x
  3. Step 3: Cross multiply
    4,315.25x = 6,472.33 × 1,720.01
  4. Step 4: Simplify right side
    4,315.25x = 11,132,435.66
  5. Step 5: Solve for x
    x = 11,132,435.66/4,315.25
  6. Step 6: Final answer
    x = 2,579.79

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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.