Home / 4,621.96-6,378-2,632.72

Finding the Fourth Proportional to 4,621.96, 6,378 and 2,632.72

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Solution

The fourth proportional to 4,621.96, 6,378 and 2,632.72 is: 3,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.96 : 6,378 = 2,632.72 : x
  2. Step 2: Convert to fraction form
    4,621.96/6,378 = 2,632.72/x
  3. Step 3: Cross multiply
    4,621.96x = 6,378 × 2,632.72
  4. Step 4: Simplify right side
    4,621.96x = 16,791,488.16
  5. Step 5: Solve for x
    x = 16,791,488.16/4,621.96
  6. Step 6: Final answer
    x = 3,632.98

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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.