Home / 8,346.90-11,517.93-4,989.05

Finding the Fourth Proportional to 8,346.90, 11,517.93 and 4,989.05

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Solution

The fourth proportional to 8,346.90, 11,517.93 and 4,989.05 is: 6,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.90 : 11,517.93 = 4,989.05 : x
  2. Step 2: Convert to fraction form
    8,346.90/11,517.93 = 4,989.05/x
  3. Step 3: Cross multiply
    8,346.90x = 11,517.93 × 4,989.05
  4. Step 4: Simplify right side
    8,346.90x = 57,463,528.67
  5. Step 5: Solve for x
    x = 57,463,528.67/8,346.90
  6. Step 6: Final answer
    x = 6,884.42

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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.