Home / 4,324.32-6,455.34-3,668.40

Finding the Fourth Proportional to 4,324.32, 6,455.34 and 3,668.40

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Solution

The fourth proportional to 4,324.32, 6,455.34 and 3,668.40 is: 5,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.32 : 6,455.34 = 3,668.40 : x
  2. Step 2: Convert to fraction form
    4,324.32/6,455.34 = 3,668.40/x
  3. Step 3: Cross multiply
    4,324.32x = 6,455.34 × 3,668.40
  4. Step 4: Simplify right side
    4,324.32x = 23,680,769.26
  5. Step 5: Solve for x
    x = 23,680,769.26/4,324.32
  6. Step 6: Final answer
    x = 5,476.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.