Home / 4,720.77-7,081.20-1,433.87

Finding the Fourth Proportional to 4,720.77, 7,081.20 and 1,433.87

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Solution

The fourth proportional to 4,720.77, 7,081.20 and 1,433.87 is: 2,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.77 : 7,081.20 = 1,433.87 : x
  2. Step 2: Convert to fraction form
    4,720.77/7,081.20 = 1,433.87/x
  3. Step 3: Cross multiply
    4,720.77x = 7,081.20 × 1,433.87
  4. Step 4: Simplify right side
    4,720.77x = 10,153,477.67
  5. Step 5: Solve for x
    x = 10,153,477.67/4,720.77
  6. Step 6: Final answer
    x = 2,150.81

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1.5x scale

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.