Home / 4,817.92-6,646.27-3,142.13

Finding the Fourth Proportional to 4,817.92, 6,646.27 and 3,142.13

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Solution

The fourth proportional to 4,817.92, 6,646.27 and 3,142.13 is: 4,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.92 : 6,646.27 = 3,142.13 : x
  2. Step 2: Convert to fraction form
    4,817.92/6,646.27 = 3,142.13/x
  3. Step 3: Cross multiply
    4,817.92x = 6,646.27 × 3,142.13
  4. Step 4: Simplify right side
    4,817.92x = 20,883,444.36
  5. Step 5: Solve for x
    x = 20,883,444.36/4,817.92
  6. Step 6: Final answer
    x = 4,334.54

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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.