Home / 7,629.04-11,441.40-5,431.24

Finding the Fourth Proportional to 7,629.04, 11,441.40 and 5,431.24

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Solution

The fourth proportional to 7,629.04, 11,441.40 and 5,431.24 is: 8,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.04 : 11,441.40 = 5,431.24 : x
  2. Step 2: Convert to fraction form
    7,629.04/11,441.40 = 5,431.24/x
  3. Step 3: Cross multiply
    7,629.04x = 11,441.40 × 5,431.24
  4. Step 4: Simplify right side
    7,629.04x = 62,140,989.34
  5. Step 5: Solve for x
    x = 62,140,989.34/7,629.04
  6. Step 6: Final answer
    x = 8,145.32

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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.