Home / 7,877.93-11,809.60-4,412.75

Finding the Fourth Proportional to 7,877.93, 11,809.60 and 4,412.75

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Solution

The fourth proportional to 7,877.93, 11,809.60 and 4,412.75 is: 6,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.93 : 11,809.60 = 4,412.75 : x
  2. Step 2: Convert to fraction form
    7,877.93/11,809.60 = 4,412.75/x
  3. Step 3: Cross multiply
    7,877.93x = 11,809.60 × 4,412.75
  4. Step 4: Simplify right side
    7,877.93x = 52,112,812.40
  5. Step 5: Solve for x
    x = 52,112,812.40/7,877.93
  6. Step 6: Final answer
    x = 6,615.04

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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.