Home / 6,430.55-9,639.44-3,651.47

Finding the Fourth Proportional to 6,430.55, 9,639.44 and 3,651.47

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Solution

The fourth proportional to 6,430.55, 9,639.44 and 3,651.47 is: 5,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.55 : 9,639.44 = 3,651.47 : x
  2. Step 2: Convert to fraction form
    6,430.55/9,639.44 = 3,651.47/x
  3. Step 3: Cross multiply
    6,430.55x = 9,639.44 × 3,651.47
  4. Step 4: Simplify right side
    6,430.55x = 35,198,159.20
  5. Step 5: Solve for x
    x = 35,198,159.20/6,430.55
  6. Step 6: Final answer
    x = 5,473.58

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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.