Home / 4,319.87-6,479.93-1,687.26

Finding the Fourth Proportional to 4,319.87, 6,479.93 and 1,687.26

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Solution

The fourth proportional to 4,319.87, 6,479.93 and 1,687.26 is: 2,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.87 : 6,479.93 = 1,687.26 : x
  2. Step 2: Convert to fraction form
    4,319.87/6,479.93 = 1,687.26/x
  3. Step 3: Cross multiply
    4,319.87x = 6,479.93 × 1,687.26
  4. Step 4: Simplify right side
    4,319.87x = 10,933,326.69
  5. Step 5: Solve for x
    x = 10,933,326.69/4,319.87
  6. Step 6: Final answer
    x = 2,530.94

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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.