Home / 4,659.20-6,427.88-2,668.68

Finding the Fourth Proportional to 4,659.20, 6,427.88 and 2,668.68

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Solution

The fourth proportional to 4,659.20, 6,427.88 and 2,668.68 is: 3,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.20 : 6,427.88 = 2,668.68 : x
  2. Step 2: Convert to fraction form
    4,659.20/6,427.88 = 2,668.68/x
  3. Step 3: Cross multiply
    4,659.20x = 6,427.88 × 2,668.68
  4. Step 4: Simplify right side
    4,659.20x = 17,153,954.80
  5. Step 5: Solve for x
    x = 17,153,954.80/4,659.20
  6. Step 6: Final answer
    x = 3,681.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.