Home / 9,102.88-12,562.82-5,325.80

Finding the Fourth Proportional to 9,102.88, 12,562.82 and 5,325.80

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Solution

The fourth proportional to 9,102.88, 12,562.82 and 5,325.80 is: 7,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.88 : 12,562.82 = 5,325.80 : x
  2. Step 2: Convert to fraction form
    9,102.88/12,562.82 = 5,325.80/x
  3. Step 3: Cross multiply
    9,102.88x = 12,562.82 × 5,325.80
  4. Step 4: Simplify right side
    9,102.88x = 66,907,071.53
  5. Step 5: Solve for x
    x = 66,907,071.53/9,102.88
  6. Step 6: Final answer
    x = 7,350.10

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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.