Home / 7,275.29-10,903.80-3,110.40

Finding the Fourth Proportional to 7,275.29, 10,903.80 and 3,110.40

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Solution

The fourth proportional to 7,275.29, 10,903.80 and 3,110.40 is: 4,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.29 : 10,903.80 = 3,110.40 : x
  2. Step 2: Convert to fraction form
    7,275.29/10,903.80 = 3,110.40/x
  3. Step 3: Cross multiply
    7,275.29x = 10,903.80 × 3,110.40
  4. Step 4: Simplify right side
    7,275.29x = 33,915,179.52
  5. Step 5: Solve for x
    x = 33,915,179.52/7,275.29
  6. Step 6: Final answer
    x = 4,661.70

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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.