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Finding the Fourth Proportional to 5,549.40, 8,307.90 and 4,966.20

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Solution

The fourth proportional to 5,549.40, 8,307.90 and 4,966.20 is: 7,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.40 : 8,307.90 = 4,966.20 : x
  2. Step 2: Convert to fraction form
    5,549.40/8,307.90 = 4,966.20/x
  3. Step 3: Cross multiply
    5,549.40x = 8,307.90 × 4,966.20
  4. Step 4: Simplify right side
    5,549.40x = 41,258,692.98
  5. Step 5: Solve for x
    x = 41,258,692.98/5,549.40
  6. Step 6: Final answer
    x = 7,434.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.