Home / 6,431.52-9,643.04-4,233.60

Finding the Fourth Proportional to 6,431.52, 9,643.04 and 4,233.60

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Solution

The fourth proportional to 6,431.52, 9,643.04 and 4,233.60 is: 6,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.52 : 9,643.04 = 4,233.60 : x
  2. Step 2: Convert to fraction form
    6,431.52/9,643.04 = 4,233.60/x
  3. Step 3: Cross multiply
    6,431.52x = 9,643.04 × 4,233.60
  4. Step 4: Simplify right side
    6,431.52x = 40,824,774.14
  5. Step 5: Solve for x
    x = 40,824,774.14/6,431.52
  6. Step 6: Final answer
    x = 6,347.61

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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.