Home / 9,258.41-12,776.30-5,280.81

Finding the Fourth Proportional to 9,258.41, 12,776.30 and 5,280.81

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Solution

The fourth proportional to 9,258.41, 12,776.30 and 5,280.81 is: 7,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.41 : 12,776.30 = 5,280.81 : x
  2. Step 2: Convert to fraction form
    9,258.41/12,776.30 = 5,280.81/x
  3. Step 3: Cross multiply
    9,258.41x = 12,776.30 × 5,280.81
  4. Step 4: Simplify right side
    9,258.41x = 67,469,212.80
  5. Step 5: Solve for x
    x = 67,469,212.80/9,258.41
  6. Step 6: Final answer
    x = 7,287.34

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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.