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Finding the Fourth Proportional to 9,288.70, 12,794.43 and 7,603.90

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Solution

The fourth proportional to 9,288.70, 12,794.43 and 7,603.90 is: 10,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.70 : 12,794.43 = 7,603.90 : x
  2. Step 2: Convert to fraction form
    9,288.70/12,794.43 = 7,603.90/x
  3. Step 3: Cross multiply
    9,288.70x = 12,794.43 × 7,603.90
  4. Step 4: Simplify right side
    9,288.70x = 97,287,566.28
  5. Step 5: Solve for x
    x = 97,287,566.28/9,288.70
  6. Step 6: Final answer
    x = 10,473.75

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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.