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Finding the Fourth Proportional to 7,376.76, 11,061 and 2,445.06

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Solution

The fourth proportional to 7,376.76, 11,061 and 2,445.06 is: 3,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.76 : 11,061 = 2,445.06 : x
  2. Step 2: Convert to fraction form
    7,376.76/11,061 = 2,445.06/x
  3. Step 3: Cross multiply
    7,376.76x = 11,061 × 2,445.06
  4. Step 4: Simplify right side
    7,376.76x = 27,044,808.66
  5. Step 5: Solve for x
    x = 27,044,808.66/7,376.76
  6. Step 6: Final answer
    x = 3,666.22

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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.