Home / 9,257.92-12,775.61-5,280.31

Finding the Fourth Proportional to 9,257.92, 12,775.61 and 5,280.31

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Solution

The fourth proportional to 9,257.92, 12,775.61 and 5,280.31 is: 7,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.92 : 12,775.61 = 5,280.31 : x
  2. Step 2: Convert to fraction form
    9,257.92/12,775.61 = 5,280.31/x
  3. Step 3: Cross multiply
    9,257.92x = 12,775.61 × 5,280.31
  4. Step 4: Simplify right side
    9,257.92x = 67,459,154.84
  5. Step 5: Solve for x
    x = 67,459,154.84/9,257.92
  6. Step 6: Final answer
    x = 7,286.65

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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.