Home / 4,457.48-6,149.39-2,688.10

Finding the Fourth Proportional to 4,457.48, 6,149.39 and 2,688.10

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Solution

The fourth proportional to 4,457.48, 6,149.39 and 2,688.10 is: 3,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.48 : 6,149.39 = 2,688.10 : x
  2. Step 2: Convert to fraction form
    4,457.48/6,149.39 = 2,688.10/x
  3. Step 3: Cross multiply
    4,457.48x = 6,149.39 × 2,688.10
  4. Step 4: Simplify right side
    4,457.48x = 16,530,146.45
  5. Step 5: Solve for x
    x = 16,530,146.45/4,457.48
  6. Step 6: Final answer
    x = 3,708.41

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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.