Home / 5,266.29-7,899.43-1,370.59

Finding the Fourth Proportional to 5,266.29, 7,899.43 and 1,370.59

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Solution

The fourth proportional to 5,266.29, 7,899.43 and 1,370.59 is: 2,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.29 : 7,899.43 = 1,370.59 : x
  2. Step 2: Convert to fraction form
    5,266.29/7,899.43 = 1,370.59/x
  3. Step 3: Cross multiply
    5,266.29x = 7,899.43 × 1,370.59
  4. Step 4: Simplify right side
    5,266.29x = 10,826,879.76
  5. Step 5: Solve for x
    x = 10,826,879.76/5,266.29
  6. Step 6: Final answer
    x = 2,055.88

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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.