Home / 8,766.81-13,155-5,076.25

Finding the Fourth Proportional to 8,766.81, 13,155 and 5,076.25

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Solution

The fourth proportional to 8,766.81, 13,155 and 5,076.25 is: 7,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.81 : 13,155 = 5,076.25 : x
  2. Step 2: Convert to fraction form
    8,766.81/13,155 = 5,076.25/x
  3. Step 3: Cross multiply
    8,766.81x = 13,155 × 5,076.25
  4. Step 4: Simplify right side
    8,766.81x = 66,778,068.75
  5. Step 5: Solve for x
    x = 66,778,068.75/8,766.81
  6. Step 6: Final answer
    x = 7,617.15

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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.