Home / 4,521.81-6,782.90-1,402.14

Finding the Fourth Proportional to 4,521.81, 6,782.90 and 1,402.14

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Solution

The fourth proportional to 4,521.81, 6,782.90 and 1,402.14 is: 2,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.81 : 6,782.90 = 1,402.14 : x
  2. Step 2: Convert to fraction form
    4,521.81/6,782.90 = 1,402.14/x
  3. Step 3: Cross multiply
    4,521.81x = 6,782.90 × 1,402.14
  4. Step 4: Simplify right side
    4,521.81x = 9,510,568.40
  5. Step 5: Solve for x
    x = 9,510,568.40/4,521.81
  6. Step 6: Final answer
    x = 2,103.27

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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.