Home / 4,723.29-7,084.80-1,436.40

Finding the Fourth Proportional to 4,723.29, 7,084.80 and 1,436.40

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Solution

The fourth proportional to 4,723.29, 7,084.80 and 1,436.40 is: 2,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.29 : 7,084.80 = 1,436.40 : x
  2. Step 2: Convert to fraction form
    4,723.29/7,084.80 = 1,436.40/x
  3. Step 3: Cross multiply
    4,723.29x = 7,084.80 × 1,436.40
  4. Step 4: Simplify right side
    4,723.29x = 10,176,606.72
  5. Step 5: Solve for x
    x = 10,176,606.72/4,723.29
  6. Step 6: Final answer
    x = 2,154.56

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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.