Home / 5,043.11-6,960.34-2,918.70

Finding the Fourth Proportional to 5,043.11, 6,960.34 and 2,918.70

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Solution

The fourth proportional to 5,043.11, 6,960.34 and 2,918.70 is: 4,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.11 : 6,960.34 = 2,918.70 : x
  2. Step 2: Convert to fraction form
    5,043.11/6,960.34 = 2,918.70/x
  3. Step 3: Cross multiply
    5,043.11x = 6,960.34 × 2,918.70
  4. Step 4: Simplify right side
    5,043.11x = 20,315,152.11
  5. Step 5: Solve for x
    x = 20,315,152.11/5,043.11
  6. Step 6: Final answer
    x = 4,028.30

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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.