Home / 4,575.40-6,863.50-1,288.52

Finding the Fourth Proportional to 4,575.40, 6,863.50 and 1,288.52

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Solution

The fourth proportional to 4,575.40, 6,863.50 and 1,288.52 is: 1,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.40 : 6,863.50 = 1,288.52 : x
  2. Step 2: Convert to fraction form
    4,575.40/6,863.50 = 1,288.52/x
  3. Step 3: Cross multiply
    4,575.40x = 6,863.50 × 1,288.52
  4. Step 4: Simplify right side
    4,575.40x = 8,843,757.02
  5. Step 5: Solve for x
    x = 8,843,757.02/4,575.40
  6. Step 6: Final answer
    x = 1,932.89

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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.