Home / 6,430.50-9,639.18-3,651.30

Finding the Fourth Proportional to 6,430.50, 9,639.18 and 3,651.30

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Solution

The fourth proportional to 6,430.50, 9,639.18 and 3,651.30 is: 5,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.50 : 9,639.18 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    6,430.50/9,639.18 = 3,651.30/x
  3. Step 3: Cross multiply
    6,430.50x = 9,639.18 × 3,651.30
  4. Step 4: Simplify right side
    6,430.50x = 35,195,537.93
  5. Step 5: Solve for x
    x = 35,195,537.93/6,430.50
  6. Step 6: Final answer
    x = 5,473.22

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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.