Home / 7,997.65-11,035.88-4,639.89

Finding the Fourth Proportional to 7,997.65, 11,035.88 and 4,639.89

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Solution

The fourth proportional to 7,997.65, 11,035.88 and 4,639.89 is: 6,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.65 : 11,035.88 = 4,639.89 : x
  2. Step 2: Convert to fraction form
    7,997.65/11,035.88 = 4,639.89/x
  3. Step 3: Cross multiply
    7,997.65x = 11,035.88 × 4,639.89
  4. Step 4: Simplify right side
    7,997.65x = 51,205,304.84
  5. Step 5: Solve for x
    x = 51,205,304.84/7,997.65
  6. Step 6: Final answer
    x = 6,402.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.