Home / 9,113.55-13,670.33-2,539.91

Finding the Fourth Proportional to 9,113.55, 13,670.33 and 2,539.91

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Solution

The fourth proportional to 9,113.55, 13,670.33 and 2,539.91 is: 3,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.55 : 13,670.33 = 2,539.91 : x
  2. Step 2: Convert to fraction form
    9,113.55/13,670.33 = 2,539.91/x
  3. Step 3: Cross multiply
    9,113.55x = 13,670.33 × 2,539.91
  4. Step 4: Simplify right side
    9,113.55x = 34,721,373.69
  5. Step 5: Solve for x
    x = 34,721,373.69/9,113.55
  6. Step 6: Final answer
    x = 3,809.86

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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.