Home / 4,630.96-6,390.66-2,642.14

Finding the Fourth Proportional to 4,630.96, 6,390.66 and 2,642.14

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Solution

The fourth proportional to 4,630.96, 6,390.66 and 2,642.14 is: 3,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.96 : 6,390.66 = 2,642.14 : x
  2. Step 2: Convert to fraction form
    4,630.96/6,390.66 = 2,642.14/x
  3. Step 3: Cross multiply
    4,630.96x = 6,390.66 × 2,642.14
  4. Step 4: Simplify right side
    4,630.96x = 16,885,018.41
  5. Step 5: Solve for x
    x = 16,885,018.41/4,630.96
  6. Step 6: Final answer
    x = 3,646.12

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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.