Home / 4,638.12-6,406.74-3,457.14

Finding the Fourth Proportional to 4,638.12, 6,406.74 and 3,457.14

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Solution

The fourth proportional to 4,638.12, 6,406.74 and 3,457.14 is: 4,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.12 : 6,406.74 = 3,457.14 : x
  2. Step 2: Convert to fraction form
    4,638.12/6,406.74 = 3,457.14/x
  3. Step 3: Cross multiply
    4,638.12x = 6,406.74 × 3,457.14
  4. Step 4: Simplify right side
    4,638.12x = 22,148,997.12
  5. Step 5: Solve for x
    x = 22,148,997.12/4,638.12
  6. Step 6: Final answer
    x = 4,775.43

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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.