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Finding the Fourth Proportional to 7,752.68, 11,603.55 and 5,496.87

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Solution

The fourth proportional to 7,752.68, 11,603.55 and 5,496.87 is: 8,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.68 : 11,603.55 = 5,496.87 : x
  2. Step 2: Convert to fraction form
    7,752.68/11,603.55 = 5,496.87/x
  3. Step 3: Cross multiply
    7,752.68x = 11,603.55 × 5,496.87
  4. Step 4: Simplify right side
    7,752.68x = 63,783,205.89
  5. Step 5: Solve for x
    x = 63,783,205.89/7,752.68
  6. Step 6: Final answer
    x = 8,227.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.