Home / 6,904.16-10,324.44-5,128.57

Finding the Fourth Proportional to 6,904.16, 10,324.44 and 5,128.57

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Solution

The fourth proportional to 6,904.16, 10,324.44 and 5,128.57 is: 7,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.16 : 10,324.44 = 5,128.57 : x
  2. Step 2: Convert to fraction form
    6,904.16/10,324.44 = 5,128.57/x
  3. Step 3: Cross multiply
    6,904.16x = 10,324.44 × 5,128.57
  4. Step 4: Simplify right side
    6,904.16x = 52,949,613.25
  5. Step 5: Solve for x
    x = 52,949,613.25/6,904.16
  6. Step 6: Final answer
    x = 7,669.23

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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.