Home / 9,122.89-13,680.08-4,739.17

Finding the Fourth Proportional to 9,122.89, 13,680.08 and 4,739.17

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Solution

The fourth proportional to 9,122.89, 13,680.08 and 4,739.17 is: 7,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.89 : 13,680.08 = 4,739.17 : x
  2. Step 2: Convert to fraction form
    9,122.89/13,680.08 = 4,739.17/x
  3. Step 3: Cross multiply
    9,122.89x = 13,680.08 × 4,739.17
  4. Step 4: Simplify right side
    9,122.89x = 64,832,224.73
  5. Step 5: Solve for x
    x = 64,832,224.73/9,122.89
  6. Step 6: Final answer
    x = 7,106.54

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1.5x scale

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.