Home / 4,315.87-6,473.26-1,720.63

Finding the Fourth Proportional to 4,315.87, 6,473.26 and 1,720.63

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Solution

The fourth proportional to 4,315.87, 6,473.26 and 1,720.63 is: 2,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.87 : 6,473.26 = 1,720.63 : x
  2. Step 2: Convert to fraction form
    4,315.87/6,473.26 = 1,720.63/x
  3. Step 3: Cross multiply
    4,315.87x = 6,473.26 × 1,720.63
  4. Step 4: Simplify right side
    4,315.87x = 11,138,085.35
  5. Step 5: Solve for x
    x = 11,138,085.35/4,315.87
  6. Step 6: Final answer
    x = 2,580.73

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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.