Home / 5,436.70-8,154.72-1,926.88

Finding the Fourth Proportional to 5,436.70, 8,154.72 and 1,926.88

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Solution

The fourth proportional to 5,436.70, 8,154.72 and 1,926.88 is: 2,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.70 : 8,154.72 = 1,926.88 : x
  2. Step 2: Convert to fraction form
    5,436.70/8,154.72 = 1,926.88/x
  3. Step 3: Cross multiply
    5,436.70x = 8,154.72 × 1,926.88
  4. Step 4: Simplify right side
    5,436.70x = 15,713,166.87
  5. Step 5: Solve for x
    x = 15,713,166.87/5,436.70
  6. Step 6: Final answer
    x = 2,890.20

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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.