Home / 4,621.76-6,378.18-2,632.40

Finding the Fourth Proportional to 4,621.76, 6,378.18 and 2,632.40

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Solution

The fourth proportional to 4,621.76, 6,378.18 and 2,632.40 is: 3,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.76 : 6,378.18 = 2,632.40 : x
  2. Step 2: Convert to fraction form
    4,621.76/6,378.18 = 2,632.40/x
  3. Step 3: Cross multiply
    4,621.76x = 6,378.18 × 2,632.40
  4. Step 4: Simplify right side
    4,621.76x = 16,789,921.03
  5. Step 5: Solve for x
    x = 16,789,921.03/4,621.76
  6. Step 6: Final answer
    x = 3,632.80

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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.