Home / 4,353.60-6,528.72-2,131.06

Finding the Fourth Proportional to 4,353.60, 6,528.72 and 2,131.06

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Solution

The fourth proportional to 4,353.60, 6,528.72 and 2,131.06 is: 3,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.60 : 6,528.72 = 2,131.06 : x
  2. Step 2: Convert to fraction form
    4,353.60/6,528.72 = 2,131.06/x
  3. Step 3: Cross multiply
    4,353.60x = 6,528.72 × 2,131.06
  4. Step 4: Simplify right side
    4,353.60x = 13,913,083.05
  5. Step 5: Solve for x
    x = 13,913,083.05/4,353.60
  6. Step 6: Final answer
    x = 3,195.77

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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.