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Finding the Fourth Proportional to 7,296.88, 10,875.99 and 6,881.74

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Solution

The fourth proportional to 7,296.88, 10,875.99 and 6,881.74 is: 10,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.88 : 10,875.99 = 6,881.74 : x
  2. Step 2: Convert to fraction form
    7,296.88/10,875.99 = 6,881.74/x
  3. Step 3: Cross multiply
    7,296.88x = 10,875.99 × 6,881.74
  4. Step 4: Simplify right side
    7,296.88x = 74,845,735.42
  5. Step 5: Solve for x
    x = 74,845,735.42/7,296.88
  6. Step 6: Final answer
    x = 10,257.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.