Home / 5,943.09-8,912.84-3,130.40

Finding the Fourth Proportional to 5,943.09, 8,912.84 and 3,130.40

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Solution

The fourth proportional to 5,943.09, 8,912.84 and 3,130.40 is: 4,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.09 : 8,912.84 = 3,130.40 : x
  2. Step 2: Convert to fraction form
    5,943.09/8,912.84 = 3,130.40/x
  3. Step 3: Cross multiply
    5,943.09x = 8,912.84 × 3,130.40
  4. Step 4: Simplify right side
    5,943.09x = 27,900,694.12
  5. Step 5: Solve for x
    x = 27,900,694.12/5,943.09
  6. Step 6: Final answer
    x = 4,694.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.