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Finding the Fourth Proportional to 6,541.48, 8,906.47 and 6,520.72

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Solution

The fourth proportional to 6,541.48, 8,906.47 and 6,520.72 is: 8,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.48 : 8,906.47 = 6,520.72 : x
  2. Step 2: Convert to fraction form
    6,541.48/8,906.47 = 6,520.72/x
  3. Step 3: Cross multiply
    6,541.48x = 8,906.47 × 6,520.72
  4. Step 4: Simplify right side
    6,541.48x = 58,076,597.06
  5. Step 5: Solve for x
    x = 58,076,597.06/6,541.48
  6. Step 6: Final answer
    x = 8,878.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.