Home / 7,480.89-10,321.83-4,827.74

Finding the Fourth Proportional to 7,480.89, 10,321.83 and 4,827.74

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Solution

The fourth proportional to 7,480.89, 10,321.83 and 4,827.74 is: 6,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.89 : 10,321.83 = 4,827.74 : x
  2. Step 2: Convert to fraction form
    7,480.89/10,321.83 = 4,827.74/x
  3. Step 3: Cross multiply
    7,480.89x = 10,321.83 × 4,827.74
  4. Step 4: Simplify right side
    7,480.89x = 49,831,059.96
  5. Step 5: Solve for x
    x = 49,831,059.96/7,480.89
  6. Step 6: Final answer
    x = 6,661.11

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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.