Home / 7,387.29-11,077.22-2,455.20

Finding the Fourth Proportional to 7,387.29, 11,077.22 and 2,455.20

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Solution

The fourth proportional to 7,387.29, 11,077.22 and 2,455.20 is: 3,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.29 : 11,077.22 = 2,455.20 : x
  2. Step 2: Convert to fraction form
    7,387.29/11,077.22 = 2,455.20/x
  3. Step 3: Cross multiply
    7,387.29x = 11,077.22 × 2,455.20
  4. Step 4: Simplify right side
    7,387.29x = 27,196,790.54
  5. Step 5: Solve for x
    x = 27,196,790.54/7,387.29
  6. Step 6: Final answer
    x = 3,681.57

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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.