Home / 8,513.28-11,743.56-5,441.40

Finding the Fourth Proportional to 8,513.28, 11,743.56 and 5,441.40

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Solution

The fourth proportional to 8,513.28, 11,743.56 and 5,441.40 is: 7,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.28 : 11,743.56 = 5,441.40 : x
  2. Step 2: Convert to fraction form
    8,513.28/11,743.56 = 5,441.40/x
  3. Step 3: Cross multiply
    8,513.28x = 11,743.56 × 5,441.40
  4. Step 4: Simplify right side
    8,513.28x = 63,901,407.38
  5. Step 5: Solve for x
    x = 63,901,407.38/8,513.28
  6. Step 6: Final answer
    x = 7,506.09

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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.