Home / 4,423.86-6,621.37-3,253.57

Finding the Fourth Proportional to 4,423.86, 6,621.37 and 3,253.57

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Solution

The fourth proportional to 4,423.86, 6,621.37 and 3,253.57 is: 4,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.86 : 6,621.37 = 3,253.57 : x
  2. Step 2: Convert to fraction form
    4,423.86/6,621.37 = 3,253.57/x
  3. Step 3: Cross multiply
    4,423.86x = 6,621.37 × 3,253.57
  4. Step 4: Simplify right side
    4,423.86x = 21,543,066.10
  5. Step 5: Solve for x
    x = 21,543,066.10/4,423.86
  6. Step 6: Final answer
    x = 4,869.74

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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.