Home / 9,257.55-12,775.43-5,065.80

Finding the Fourth Proportional to 9,257.55, 12,775.43 and 5,065.80

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Solution

The fourth proportional to 9,257.55, 12,775.43 and 5,065.80 is: 6,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.55 : 12,775.43 = 5,065.80 : x
  2. Step 2: Convert to fraction form
    9,257.55/12,775.43 = 5,065.80/x
  3. Step 3: Cross multiply
    9,257.55x = 12,775.43 × 5,065.80
  4. Step 4: Simplify right side
    9,257.55x = 64,717,773.29
  5. Step 5: Solve for x
    x = 64,717,773.29/9,257.55
  6. Step 6: Final answer
    x = 6,990.81

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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.