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Finding the Fourth Proportional to 7,073.87, 10,607.91 and 3,071.51

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Solution

The fourth proportional to 7,073.87, 10,607.91 and 3,071.51 is: 4,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.87 : 10,607.91 = 3,071.51 : x
  2. Step 2: Convert to fraction form
    7,073.87/10,607.91 = 3,071.51/x
  3. Step 3: Cross multiply
    7,073.87x = 10,607.91 × 3,071.51
  4. Step 4: Simplify right side
    7,073.87x = 32,582,301.64
  5. Step 5: Solve for x
    x = 32,582,301.64/7,073.87
  6. Step 6: Final answer
    x = 4,606.01

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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.