Home / 7,621.05-11,434.31-5,537.53

Finding the Fourth Proportional to 7,621.05, 11,434.31 and 5,537.53

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Solution

The fourth proportional to 7,621.05, 11,434.31 and 5,537.53 is: 8,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.05 : 11,434.31 = 5,537.53 : x
  2. Step 2: Convert to fraction form
    7,621.05/11,434.31 = 5,537.53/x
  3. Step 3: Cross multiply
    7,621.05x = 11,434.31 × 5,537.53
  4. Step 4: Simplify right side
    7,621.05x = 63,317,834.65
  5. Step 5: Solve for x
    x = 63,317,834.65/7,621.05
  6. Step 6: Final answer
    x = 8,308.28

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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.