Home / 7,586.73-11,376-3,421.87

Finding the Fourth Proportional to 7,586.73, 11,376 and 3,421.87

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Solution

The fourth proportional to 7,586.73, 11,376 and 3,421.87 is: 5,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.73 : 11,376 = 3,421.87 : x
  2. Step 2: Convert to fraction form
    7,586.73/11,376 = 3,421.87/x
  3. Step 3: Cross multiply
    7,586.73x = 11,376 × 3,421.87
  4. Step 4: Simplify right side
    7,586.73x = 38,927,164.68
  5. Step 5: Solve for x
    x = 38,927,164.68/7,586.73
  6. Step 6: Final answer
    x = 5,130.95

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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.