Home / 4,676.64-6,453.72-2,580.78

Finding the Fourth Proportional to 4,676.64, 6,453.72 and 2,580.78

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Solution

The fourth proportional to 4,676.64, 6,453.72 and 2,580.78 is: 3,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.64 : 6,453.72 = 2,580.78 : x
  2. Step 2: Convert to fraction form
    4,676.64/6,453.72 = 2,580.78/x
  3. Step 3: Cross multiply
    4,676.64x = 6,453.72 × 2,580.78
  4. Step 4: Simplify right side
    4,676.64x = 16,655,631.50
  5. Step 5: Solve for x
    x = 16,655,631.50/4,676.64
  6. Step 6: Final answer
    x = 3,561.45

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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.