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Finding the Fourth Proportional to 7,272, 10,853.07 and 6,572.16

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Solution

The fourth proportional to 7,272, 10,853.07 and 6,572.16 is: 9,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272 : 10,853.07 = 6,572.16 : x
  2. Step 2: Convert to fraction form
    7,272/10,853.07 = 6,572.16/x
  3. Step 3: Cross multiply
    7,272x = 10,853.07 × 6,572.16
  4. Step 4: Simplify right side
    7,272x = 71,328,112.53
  5. Step 5: Solve for x
    x = 71,328,112.53/7,272
  6. Step 6: Final answer
    x = 9,808.60

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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.