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Finding the Fourth Proportional to 6,542.48, 8,907.83 and 6,521.72

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Solution

The fourth proportional to 6,542.48, 8,907.83 and 6,521.72 is: 8,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.48 : 8,907.83 = 6,521.72 : x
  2. Step 2: Convert to fraction form
    6,542.48/8,907.83 = 6,521.72/x
  3. Step 3: Cross multiply
    6,542.48x = 8,907.83 × 6,521.72
  4. Step 4: Simplify right side
    6,542.48x = 58,094,373.07
  5. Step 5: Solve for x
    x = 58,094,373.07/6,542.48
  6. Step 6: Final answer
    x = 8,879.56

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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.