Home / 7,475.10-11,190.51-5,535.96

Finding the Fourth Proportional to 7,475.10, 11,190.51 and 5,535.96

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Solution

The fourth proportional to 7,475.10, 11,190.51 and 5,535.96 is: 8,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.10 : 11,190.51 = 5,535.96 : x
  2. Step 2: Convert to fraction form
    7,475.10/11,190.51 = 5,535.96/x
  3. Step 3: Cross multiply
    7,475.10x = 11,190.51 × 5,535.96
  4. Step 4: Simplify right side
    7,475.10x = 61,950,215.74
  5. Step 5: Solve for x
    x = 61,950,215.74/7,475.10
  6. Step 6: Final answer
    x = 8,287.54

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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.