Home / 6,784.75-9,353.32-4,989.06

Finding the Fourth Proportional to 6,784.75, 9,353.32 and 4,989.06

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Solution

The fourth proportional to 6,784.75, 9,353.32 and 4,989.06 is: 6,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.75 : 9,353.32 = 4,989.06 : x
  2. Step 2: Convert to fraction form
    6,784.75/9,353.32 = 4,989.06/x
  3. Step 3: Cross multiply
    6,784.75x = 9,353.32 × 4,989.06
  4. Step 4: Simplify right side
    6,784.75x = 46,664,290.27
  5. Step 5: Solve for x
    x = 46,664,290.27/6,784.75
  6. Step 6: Final answer
    x = 6,877.82

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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.