Home / 8,130.95-11,216.58-5,141.75

Finding the Fourth Proportional to 8,130.95, 11,216.58 and 5,141.75

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Solution

The fourth proportional to 8,130.95, 11,216.58 and 5,141.75 is: 7,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.95 : 11,216.58 = 5,141.75 : x
  2. Step 2: Convert to fraction form
    8,130.95/11,216.58 = 5,141.75/x
  3. Step 3: Cross multiply
    8,130.95x = 11,216.58 × 5,141.75
  4. Step 4: Simplify right side
    8,130.95x = 57,672,850.22
  5. Step 5: Solve for x
    x = 57,672,850.22/8,130.95
  6. Step 6: Final answer
    x = 7,093.00

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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.