Home / 7,485.16-11,225.31-3,535.81

Finding the Fourth Proportional to 7,485.16, 11,225.31 and 3,535.81

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Solution

The fourth proportional to 7,485.16, 11,225.31 and 3,535.81 is: 5,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.16 : 11,225.31 = 3,535.81 : x
  2. Step 2: Convert to fraction form
    7,485.16/11,225.31 = 3,535.81/x
  3. Step 3: Cross multiply
    7,485.16x = 11,225.31 × 3,535.81
  4. Step 4: Simplify right side
    7,485.16x = 39,690,563.35
  5. Step 5: Solve for x
    x = 39,690,563.35/7,485.16
  6. Step 6: Final answer
    x = 5,302.57

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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.