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Finding the Fourth Proportional to 5,353.90, 8,030.85 and 3,604.30

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Solution

The fourth proportional to 5,353.90, 8,030.85 and 3,604.30 is: 5,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.90 : 8,030.85 = 3,604.30 : x
  2. Step 2: Convert to fraction form
    5,353.90/8,030.85 = 3,604.30/x
  3. Step 3: Cross multiply
    5,353.90x = 8,030.85 × 3,604.30
  4. Step 4: Simplify right side
    5,353.90x = 28,945,592.66
  5. Step 5: Solve for x
    x = 28,945,592.66/5,353.90
  6. Step 6: Final answer
    x = 5,406.45

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1.5x scale

Why These Related Problems?

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