Home / 8,788.60-13,153.11-5,085.28

Finding the Fourth Proportional to 8,788.60, 13,153.11 and 5,085.28

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Solution

The fourth proportional to 8,788.60, 13,153.11 and 5,085.28 is: 7,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.60 : 13,153.11 = 5,085.28 : x
  2. Step 2: Convert to fraction form
    8,788.60/13,153.11 = 5,085.28/x
  3. Step 3: Cross multiply
    8,788.60x = 13,153.11 × 5,085.28
  4. Step 4: Simplify right side
    8,788.60x = 66,887,247.22
  5. Step 5: Solve for x
    x = 66,887,247.22/8,788.60
  6. Step 6: Final answer
    x = 7,610.68

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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.