Home / 9,260.94-12,777.57-5,280.60

Finding the Fourth Proportional to 9,260.94, 12,777.57 and 5,280.60

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Solution

The fourth proportional to 9,260.94, 12,777.57 and 5,280.60 is: 7,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.94 : 12,777.57 = 5,280.60 : x
  2. Step 2: Convert to fraction form
    9,260.94/12,777.57 = 5,280.60/x
  3. Step 3: Cross multiply
    9,260.94x = 12,777.57 × 5,280.60
  4. Step 4: Simplify right side
    9,260.94x = 67,473,236.14
  5. Step 5: Solve for x
    x = 67,473,236.14/9,260.94
  6. Step 6: Final answer
    x = 7,285.79

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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.