Home / 4,457.52-6,679.80-2,720.88

Finding the Fourth Proportional to 4,457.52, 6,679.80 and 2,720.88

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Solution

The fourth proportional to 4,457.52, 6,679.80 and 2,720.88 is: 4,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.52 : 6,679.80 = 2,720.88 : x
  2. Step 2: Convert to fraction form
    4,457.52/6,679.80 = 2,720.88/x
  3. Step 3: Cross multiply
    4,457.52x = 6,679.80 × 2,720.88
  4. Step 4: Simplify right side
    4,457.52x = 18,174,934.22
  5. Step 5: Solve for x
    x = 18,174,934.22/4,457.52
  6. Step 6: Final answer
    x = 4,077.36

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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.