Home / 4,060-6,089.28-1,138.56

Finding the Fourth Proportional to 4,060, 6,089.28 and 1,138.56

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Solution

The fourth proportional to 4,060, 6,089.28 and 1,138.56 is: 1,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060 : 6,089.28 = 1,138.56 : x
  2. Step 2: Convert to fraction form
    4,060/6,089.28 = 1,138.56/x
  3. Step 3: Cross multiply
    4,060x = 6,089.28 × 1,138.56
  4. Step 4: Simplify right side
    4,060x = 6,933,010.64
  5. Step 5: Solve for x
    x = 6,933,010.64/4,060
  6. Step 6: Final answer
    x = 1,707.64

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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.