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Finding the Fourth Proportional to 7,607.01, 11,402.15 and 4,973.43

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Solution

The fourth proportional to 7,607.01, 11,402.15 and 4,973.43 is: 7,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.01 : 11,402.15 = 4,973.43 : x
  2. Step 2: Convert to fraction form
    7,607.01/11,402.15 = 4,973.43/x
  3. Step 3: Cross multiply
    7,607.01x = 11,402.15 × 4,973.43
  4. Step 4: Simplify right side
    7,607.01x = 56,707,770.01
  5. Step 5: Solve for x
    x = 56,707,770.01/7,607.01
  6. Step 6: Final answer
    x = 7,454.67

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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.