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Finding the Fourth Proportional to 4,353.78, 6,529.02 and 1,579.64

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Solution

The fourth proportional to 4,353.78, 6,529.02 and 1,579.64 is: 2,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.78 : 6,529.02 = 1,579.64 : x
  2. Step 2: Convert to fraction form
    4,353.78/6,529.02 = 1,579.64/x
  3. Step 3: Cross multiply
    4,353.78x = 6,529.02 × 1,579.64
  4. Step 4: Simplify right side
    4,353.78x = 10,313,501.15
  5. Step 5: Solve for x
    x = 10,313,501.15/4,353.78
  6. Step 6: Final answer
    x = 2,368.86

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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.