Home / 4,722.60-7,079.28-1,758.87

Finding the Fourth Proportional to 4,722.60, 7,079.28 and 1,758.87

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Solution

The fourth proportional to 4,722.60, 7,079.28 and 1,758.87 is: 2,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.60 : 7,079.28 = 1,758.87 : x
  2. Step 2: Convert to fraction form
    4,722.60/7,079.28 = 1,758.87/x
  3. Step 3: Cross multiply
    4,722.60x = 7,079.28 × 1,758.87
  4. Step 4: Simplify right side
    4,722.60x = 12,451,489.02
  5. Step 5: Solve for x
    x = 12,451,489.02/4,722.60
  6. Step 6: Final answer
    x = 2,636.57

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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.