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Finding the Fourth Proportional to 6,366.90, 8,783.19 and 5,526.48

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Solution

The fourth proportional to 6,366.90, 8,783.19 and 5,526.48 is: 7,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.90 : 8,783.19 = 5,526.48 : x
  2. Step 2: Convert to fraction form
    6,366.90/8,783.19 = 5,526.48/x
  3. Step 3: Cross multiply
    6,366.90x = 8,783.19 × 5,526.48
  4. Step 4: Simplify right side
    6,366.90x = 48,540,123.87
  5. Step 5: Solve for x
    x = 48,540,123.87/6,366.90
  6. Step 6: Final answer
    x = 7,623.82

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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.