Home / 9,262.62-12,779.26-5,280.89

Finding the Fourth Proportional to 9,262.62, 12,779.26 and 5,280.89

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Solution

The fourth proportional to 9,262.62, 12,779.26 and 5,280.89 is: 7,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.62 : 12,779.26 = 5,280.89 : x
  2. Step 2: Convert to fraction form
    9,262.62/12,779.26 = 5,280.89/x
  3. Step 3: Cross multiply
    9,262.62x = 12,779.26 × 5,280.89
  4. Step 4: Simplify right side
    9,262.62x = 67,485,789.24
  5. Step 5: Solve for x
    x = 67,485,789.24/9,262.62
  6. Step 6: Final answer
    x = 7,285.82

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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.