Home / 5,158.33-7,118.49-3,033.70

Finding the Fourth Proportional to 5,158.33, 7,118.49 and 3,033.70

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Solution

The fourth proportional to 5,158.33, 7,118.49 and 3,033.70 is: 4,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.33 : 7,118.49 = 3,033.70 : x
  2. Step 2: Convert to fraction form
    5,158.33/7,118.49 = 3,033.70/x
  3. Step 3: Cross multiply
    5,158.33x = 7,118.49 × 3,033.70
  4. Step 4: Simplify right side
    5,158.33x = 21,595,363.11
  5. Step 5: Solve for x
    x = 21,595,363.11/5,158.33
  6. Step 6: Final answer
    x = 4,186.50

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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.