Home / 4,719.90-7,079.85-1,433.01

Finding the Fourth Proportional to 4,719.90, 7,079.85 and 1,433.01

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Solution

The fourth proportional to 4,719.90, 7,079.85 and 1,433.01 is: 2,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.90 : 7,079.85 = 1,433.01 : x
  2. Step 2: Convert to fraction form
    4,719.90/7,079.85 = 1,433.01/x
  3. Step 3: Cross multiply
    4,719.90x = 7,079.85 × 1,433.01
  4. Step 4: Simplify right side
    4,719.90x = 10,145,495.85
  5. Step 5: Solve for x
    x = 10,145,495.85/4,719.90
  6. Step 6: Final answer
    x = 2,149.52

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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.