Home / 7,283.36-10,928.88-3,386.72

Finding the Fourth Proportional to 7,283.36, 10,928.88 and 3,386.72

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Solution

The fourth proportional to 7,283.36, 10,928.88 and 3,386.72 is: 5,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.36 : 10,928.88 = 3,386.72 : x
  2. Step 2: Convert to fraction form
    7,283.36/10,928.88 = 3,386.72/x
  3. Step 3: Cross multiply
    7,283.36x = 10,928.88 × 3,386.72
  4. Step 4: Simplify right side
    7,283.36x = 37,013,056.47
  5. Step 5: Solve for x
    x = 37,013,056.47/7,283.36
  6. Step 6: Final answer
    x = 5,081.87

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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.