Home / 4,724.47-7,084.66-1,436.80

Finding the Fourth Proportional to 4,724.47, 7,084.66 and 1,436.80

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Solution

The fourth proportional to 4,724.47, 7,084.66 and 1,436.80 is: 2,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.47 : 7,084.66 = 1,436.80 : x
  2. Step 2: Convert to fraction form
    4,724.47/7,084.66 = 1,436.80/x
  3. Step 3: Cross multiply
    4,724.47x = 7,084.66 × 1,436.80
  4. Step 4: Simplify right side
    4,724.47x = 10,179,196.88
  5. Step 5: Solve for x
    x = 10,179,196.88/4,724.47
  6. Step 6: Final answer
    x = 2,154.57

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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.