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Finding the Fourth Proportional to 8,549.10, 11,795.52 and 7,954.50

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Solution

The fourth proportional to 8,549.10, 11,795.52 and 7,954.50 is: 10,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.10 : 11,795.52 = 7,954.50 : x
  2. Step 2: Convert to fraction form
    8,549.10/11,795.52 = 7,954.50/x
  3. Step 3: Cross multiply
    8,549.10x = 11,795.52 × 7,954.50
  4. Step 4: Simplify right side
    8,549.10x = 93,827,463.84
  5. Step 5: Solve for x
    x = 93,827,463.84/8,549.10
  6. Step 6: Final answer
    x = 10,975.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.