Home / 4,654.28-6,423.30-2,558.78

Finding the Fourth Proportional to 4,654.28, 6,423.30 and 2,558.78

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Solution

The fourth proportional to 4,654.28, 6,423.30 and 2,558.78 is: 3,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.28 : 6,423.30 = 2,558.78 : x
  2. Step 2: Convert to fraction form
    4,654.28/6,423.30 = 2,558.78/x
  3. Step 3: Cross multiply
    4,654.28x = 6,423.30 × 2,558.78
  4. Step 4: Simplify right side
    4,654.28x = 16,435,811.57
  5. Step 5: Solve for x
    x = 16,435,811.57/4,654.28
  6. Step 6: Final answer
    x = 3,531.33

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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.