Home / 7,718.08-11,571.60-4,432.80

Finding the Fourth Proportional to 7,718.08, 11,571.60 and 4,432.80

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Solution

The fourth proportional to 7,718.08, 11,571.60 and 4,432.80 is: 6,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.08 : 11,571.60 = 4,432.80 : x
  2. Step 2: Convert to fraction form
    7,718.08/11,571.60 = 4,432.80/x
  3. Step 3: Cross multiply
    7,718.08x = 11,571.60 × 4,432.80
  4. Step 4: Simplify right side
    7,718.08x = 51,294,588.48
  5. Step 5: Solve for x
    x = 51,294,588.48/7,718.08
  6. Step 6: Final answer
    x = 6,646.03

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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.