Home / 4,988.28-7,470.54-4,813.32

Finding the Fourth Proportional to 4,988.28, 7,470.54 and 4,813.32

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Solution

The fourth proportional to 4,988.28, 7,470.54 and 4,813.32 is: 7,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.28 : 7,470.54 = 4,813.32 : x
  2. Step 2: Convert to fraction form
    4,988.28/7,470.54 = 4,813.32/x
  3. Step 3: Cross multiply
    4,988.28x = 7,470.54 × 4,813.32
  4. Step 4: Simplify right side
    4,988.28x = 35,958,099.59
  5. Step 5: Solve for x
    x = 35,958,099.59/4,988.28
  6. Step 6: Final answer
    x = 7,208.52

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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.