Home / 4,575.29-6,863.30-1,288.65

Finding the Fourth Proportional to 4,575.29, 6,863.30 and 1,288.65

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Solution

The fourth proportional to 4,575.29, 6,863.30 and 1,288.65 is: 1,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.29 : 6,863.30 = 1,288.65 : x
  2. Step 2: Convert to fraction form
    4,575.29/6,863.30 = 1,288.65/x
  3. Step 3: Cross multiply
    4,575.29x = 6,863.30 × 1,288.65
  4. Step 4: Simplify right side
    4,575.29x = 8,844,391.55
  5. Step 5: Solve for x
    x = 8,844,391.55/4,575.29
  6. Step 6: Final answer
    x = 1,933.08

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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.