Home / 4,685.92-6,463.20-3,090.72

Finding the Fourth Proportional to 4,685.92, 6,463.20 and 3,090.72

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Solution

The fourth proportional to 4,685.92, 6,463.20 and 3,090.72 is: 4,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.92 : 6,463.20 = 3,090.72 : x
  2. Step 2: Convert to fraction form
    4,685.92/6,463.20 = 3,090.72/x
  3. Step 3: Cross multiply
    4,685.92x = 6,463.20 × 3,090.72
  4. Step 4: Simplify right side
    4,685.92x = 19,975,941.50
  5. Step 5: Solve for x
    x = 19,975,941.50/4,685.92
  6. Step 6: Final answer
    x = 4,262.97

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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.