Home / 9,089.70-12,538.44-5,726.58

Finding the Fourth Proportional to 9,089.70, 12,538.44 and 5,726.58

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Solution

The fourth proportional to 9,089.70, 12,538.44 and 5,726.58 is: 7,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.70 : 12,538.44 = 5,726.58 : x
  2. Step 2: Convert to fraction form
    9,089.70/12,538.44 = 5,726.58/x
  3. Step 3: Cross multiply
    9,089.70x = 12,538.44 × 5,726.58
  4. Step 4: Simplify right side
    9,089.70x = 71,802,379.74
  5. Step 5: Solve for x
    x = 71,802,379.74/9,089.70
  6. Step 6: Final answer
    x = 7,899.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.