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Finding the Fourth Proportional to 4,672.81, 7,008.94 and 1,750.87

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Solution

The fourth proportional to 4,672.81, 7,008.94 and 1,750.87 is: 2,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.81 : 7,008.94 = 1,750.87 : x
  2. Step 2: Convert to fraction form
    4,672.81/7,008.94 = 1,750.87/x
  3. Step 3: Cross multiply
    4,672.81x = 7,008.94 × 1,750.87
  4. Step 4: Simplify right side
    4,672.81x = 12,271,742.78
  5. Step 5: Solve for x
    x = 12,271,742.78/4,672.81
  6. Step 6: Final answer
    x = 2,626.20

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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.