Home / 6,887.61-10,331.91-1,957.62

Finding the Fourth Proportional to 6,887.61, 10,331.91 and 1,957.62

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Solution

The fourth proportional to 6,887.61, 10,331.91 and 1,957.62 is: 2,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.61 : 10,331.91 = 1,957.62 : x
  2. Step 2: Convert to fraction form
    6,887.61/10,331.91 = 1,957.62/x
  3. Step 3: Cross multiply
    6,887.61x = 10,331.91 × 1,957.62
  4. Step 4: Simplify right side
    6,887.61x = 20,225,953.65
  5. Step 5: Solve for x
    x = 20,225,953.65/6,887.61
  6. Step 6: Final answer
    x = 2,936.57

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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.