Home / 7,321.04-10,097.16-6,629.84

Finding the Fourth Proportional to 7,321.04, 10,097.16 and 6,629.84

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Solution

The fourth proportional to 7,321.04, 10,097.16 and 6,629.84 is: 9,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.04 : 10,097.16 = 6,629.84 : x
  2. Step 2: Convert to fraction form
    7,321.04/10,097.16 = 6,629.84/x
  3. Step 3: Cross multiply
    7,321.04x = 10,097.16 × 6,629.84
  4. Step 4: Simplify right side
    7,321.04x = 66,942,555.25
  5. Step 5: Solve for x
    x = 66,942,555.25/7,321.04
  6. Step 6: Final answer
    x = 9,143.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.