Home / 5,436.71-8,154.80-1,926.66

Finding the Fourth Proportional to 5,436.71, 8,154.80 and 1,926.66

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Solution

The fourth proportional to 5,436.71, 8,154.80 and 1,926.66 is: 2,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.71 : 8,154.80 = 1,926.66 : x
  2. Step 2: Convert to fraction form
    5,436.71/8,154.80 = 1,926.66/x
  3. Step 3: Cross multiply
    5,436.71x = 8,154.80 × 1,926.66
  4. Step 4: Simplify right side
    5,436.71x = 15,711,526.97
  5. Step 5: Solve for x
    x = 15,711,526.97/5,436.71
  6. Step 6: Final answer
    x = 2,889.90

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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.