Home / 6,431.68-9,648.16-2,969.92

Finding the Fourth Proportional to 6,431.68, 9,648.16 and 2,969.92

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Solution

The fourth proportional to 6,431.68, 9,648.16 and 2,969.92 is: 4,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.68 : 9,648.16 = 2,969.92 : x
  2. Step 2: Convert to fraction form
    6,431.68/9,648.16 = 2,969.92/x
  3. Step 3: Cross multiply
    6,431.68x = 9,648.16 × 2,969.92
  4. Step 4: Simplify right side
    6,431.68x = 28,654,263.35
  5. Step 5: Solve for x
    x = 28,654,263.35/6,431.68
  6. Step 6: Final answer
    x = 4,455.18

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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.