Home / 4,300.80-6,450.24-1,529.20

Finding the Fourth Proportional to 4,300.80, 6,450.24 and 1,529.20

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Solution

The fourth proportional to 4,300.80, 6,450.24 and 1,529.20 is: 2,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.80 : 6,450.24 = 1,529.20 : x
  2. Step 2: Convert to fraction form
    4,300.80/6,450.24 = 1,529.20/x
  3. Step 3: Cross multiply
    4,300.80x = 6,450.24 × 1,529.20
  4. Step 4: Simplify right side
    4,300.80x = 9,863,707.01
  5. Step 5: Solve for x
    x = 9,863,707.01/4,300.80
  6. Step 6: Final answer
    x = 2,293.46

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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.