Home / 4,178.16-6,276.96-3,607.92

Finding the Fourth Proportional to 4,178.16, 6,276.96 and 3,607.92

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Solution

The fourth proportional to 4,178.16, 6,276.96 and 3,607.92 is: 5,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.16 : 6,276.96 = 3,607.92 : x
  2. Step 2: Convert to fraction form
    4,178.16/6,276.96 = 3,607.92/x
  3. Step 3: Cross multiply
    4,178.16x = 6,276.96 × 3,607.92
  4. Step 4: Simplify right side
    4,178.16x = 22,646,769.52
  5. Step 5: Solve for x
    x = 22,646,769.52/4,178.16
  6. Step 6: Final answer
    x = 5,420.27

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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.