Home / 6,639.48-9,953.28-2,741.40

Finding the Fourth Proportional to 6,639.48, 9,953.28 and 2,741.40

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Solution

The fourth proportional to 6,639.48, 9,953.28 and 2,741.40 is: 4,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.48 : 9,953.28 = 2,741.40 : x
  2. Step 2: Convert to fraction form
    6,639.48/9,953.28 = 2,741.40/x
  3. Step 3: Cross multiply
    6,639.48x = 9,953.28 × 2,741.40
  4. Step 4: Simplify right side
    6,639.48x = 27,285,921.79
  5. Step 5: Solve for x
    x = 27,285,921.79/6,639.48
  6. Step 6: Final answer
    x = 4,109.65

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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.