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Finding the Fourth Proportional to 6,154.49, 8,487.51 and 5,443.72

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Solution

The fourth proportional to 6,154.49, 8,487.51 and 5,443.72 is: 7,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.49 : 8,487.51 = 5,443.72 : x
  2. Step 2: Convert to fraction form
    6,154.49/8,487.51 = 5,443.72/x
  3. Step 3: Cross multiply
    6,154.49x = 8,487.51 × 5,443.72
  4. Step 4: Simplify right side
    6,154.49x = 46,203,627.94
  5. Step 5: Solve for x
    x = 46,203,627.94/6,154.49
  6. Step 6: Final answer
    x = 7,507.30

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Double scale
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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.