Home / 7,863.02-10,850.79-4,507.81

Finding the Fourth Proportional to 7,863.02, 10,850.79 and 4,507.81

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Solution

The fourth proportional to 7,863.02, 10,850.79 and 4,507.81 is: 6,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.02 : 10,850.79 = 4,507.81 : x
  2. Step 2: Convert to fraction form
    7,863.02/10,850.79 = 4,507.81/x
  3. Step 3: Cross multiply
    7,863.02x = 10,850.79 × 4,507.81
  4. Step 4: Simplify right side
    7,863.02x = 48,913,289.45
  5. Step 5: Solve for x
    x = 48,913,289.45/7,863.02
  6. Step 6: Final answer
    x = 6,220.68

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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.