Home / 8,289.10-11,435.52-5,099.68

Finding the Fourth Proportional to 8,289.10, 11,435.52 and 5,099.68

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Solution

The fourth proportional to 8,289.10, 11,435.52 and 5,099.68 is: 7,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.10 : 11,435.52 = 5,099.68 : x
  2. Step 2: Convert to fraction form
    8,289.10/11,435.52 = 5,099.68/x
  3. Step 3: Cross multiply
    8,289.10x = 11,435.52 × 5,099.68
  4. Step 4: Simplify right side
    8,289.10x = 58,317,492.63
  5. Step 5: Solve for x
    x = 58,317,492.63/8,289.10
  6. Step 6: Final answer
    x = 7,035.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.