Home / 9,260.41-12,779.04-5,282.79

Finding the Fourth Proportional to 9,260.41, 12,779.04 and 5,282.79

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Solution

The fourth proportional to 9,260.41, 12,779.04 and 5,282.79 is: 7,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.41 : 12,779.04 = 5,282.79 : x
  2. Step 2: Convert to fraction form
    9,260.41/12,779.04 = 5,282.79/x
  3. Step 3: Cross multiply
    9,260.41x = 12,779.04 × 5,282.79
  4. Step 4: Simplify right side
    9,260.41x = 67,508,984.72
  5. Step 5: Solve for x
    x = 67,508,984.72/9,260.41
  6. Step 6: Final answer
    x = 7,290.06

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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.