Home / 4,832.60-6,660.51-3,988.31

Finding the Fourth Proportional to 4,832.60, 6,660.51 and 3,988.31

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Solution

The fourth proportional to 4,832.60, 6,660.51 and 3,988.31 is: 5,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,832.60 : 6,660.51 = 3,988.31 : x
  2. Step 2: Convert to fraction form
    4,832.60/6,660.51 = 3,988.31/x
  3. Step 3: Cross multiply
    4,832.60x = 6,660.51 × 3,988.31
  4. Step 4: Simplify right side
    4,832.60x = 26,564,178.64
  5. Step 5: Solve for x
    x = 26,564,178.64/4,832.60
  6. Step 6: Final answer
    x = 5,496.87

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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.