Home / 6,429.48-9,639.56-4,344.32

Finding the Fourth Proportional to 6,429.48, 9,639.56 and 4,344.32

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Solution

The fourth proportional to 6,429.48, 9,639.56 and 4,344.32 is: 6,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.48 : 9,639.56 = 4,344.32 : x
  2. Step 2: Convert to fraction form
    6,429.48/9,639.56 = 4,344.32/x
  3. Step 3: Cross multiply
    6,429.48x = 9,639.56 × 4,344.32
  4. Step 4: Simplify right side
    6,429.48x = 41,877,333.30
  5. Step 5: Solve for x
    x = 41,877,333.30/6,429.48
  6. Step 6: Final answer
    x = 6,513.33

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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.