Home / 4,253.75-6,380.63-1,658.51

Finding the Fourth Proportional to 4,253.75, 6,380.63 and 1,658.51

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Solution

The fourth proportional to 4,253.75, 6,380.63 and 1,658.51 is: 2,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.75 : 6,380.63 = 1,658.51 : x
  2. Step 2: Convert to fraction form
    4,253.75/6,380.63 = 1,658.51/x
  3. Step 3: Cross multiply
    4,253.75x = 6,380.63 × 1,658.51
  4. Step 4: Simplify right side
    4,253.75x = 10,582,330.37
  5. Step 5: Solve for x
    x = 10,582,330.37/4,253.75
  6. Step 6: Final answer
    x = 2,487.77

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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.