Home / 4,505.28-6,216.64-2,641.92

Finding the Fourth Proportional to 4,505.28, 6,216.64 and 2,641.92

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Solution

The fourth proportional to 4,505.28, 6,216.64 and 2,641.92 is: 3,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.28 : 6,216.64 = 2,641.92 : x
  2. Step 2: Convert to fraction form
    4,505.28/6,216.64 = 2,641.92/x
  3. Step 3: Cross multiply
    4,505.28x = 6,216.64 × 2,641.92
  4. Step 4: Simplify right side
    4,505.28x = 16,423,865.55
  5. Step 5: Solve for x
    x = 16,423,865.55/4,505.28
  6. Step 6: Final answer
    x = 3,645.47

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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.