Home / 9,260.53-12,778.63-5,280.59

Finding the Fourth Proportional to 9,260.53, 12,778.63 and 5,280.59

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Solution

The fourth proportional to 9,260.53, 12,778.63 and 5,280.59 is: 7,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.53 : 12,778.63 = 5,280.59 : x
  2. Step 2: Convert to fraction form
    9,260.53/12,778.63 = 5,280.59/x
  3. Step 3: Cross multiply
    9,260.53x = 12,778.63 × 5,280.59
  4. Step 4: Simplify right side
    9,260.53x = 67,478,724.54
  5. Step 5: Solve for x
    x = 67,478,724.54/9,260.53
  6. Step 6: Final answer
    x = 7,286.70

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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.