Home / 9,257.30-12,775.08-5,278.44

Finding the Fourth Proportional to 9,257.30, 12,775.08 and 5,278.44

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Solution

The fourth proportional to 9,257.30, 12,775.08 and 5,278.44 is: 7,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.30 : 12,775.08 = 5,278.44 : x
  2. Step 2: Convert to fraction form
    9,257.30/12,775.08 = 5,278.44/x
  3. Step 3: Cross multiply
    9,257.30x = 12,775.08 × 5,278.44
  4. Step 4: Simplify right side
    9,257.30x = 67,432,560.98
  5. Step 5: Solve for x
    x = 67,432,560.98/9,257.30
  6. Step 6: Final answer
    x = 7,284.26

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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.