Home / 7,257.55-10,886.30-4,791.78

Finding the Fourth Proportional to 7,257.55, 10,886.30 and 4,791.78

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Solution

The fourth proportional to 7,257.55, 10,886.30 and 4,791.78 is: 7,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.55 : 10,886.30 = 4,791.78 : x
  2. Step 2: Convert to fraction form
    7,257.55/10,886.30 = 4,791.78/x
  3. Step 3: Cross multiply
    7,257.55x = 10,886.30 × 4,791.78
  4. Step 4: Simplify right side
    7,257.55x = 52,164,779.24
  5. Step 5: Solve for x
    x = 52,164,779.24/7,257.55
  6. Step 6: Final answer
    x = 7,187.66

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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.