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Finding the Fourth Proportional to 7,350.80, 11,029.80 and 5,595.20

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Solution

The fourth proportional to 7,350.80, 11,029.80 and 5,595.20 is: 8,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.80 : 11,029.80 = 5,595.20 : x
  2. Step 2: Convert to fraction form
    7,350.80/11,029.80 = 5,595.20/x
  3. Step 3: Cross multiply
    7,350.80x = 11,029.80 × 5,595.20
  4. Step 4: Simplify right side
    7,350.80x = 61,713,936.96
  5. Step 5: Solve for x
    x = 61,713,936.96/7,350.80
  6. Step 6: Final answer
    x = 8,395.54

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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.