Home / 7,089.19-9,785.28-4,850.22

Finding the Fourth Proportional to 7,089.19, 9,785.28 and 4,850.22

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Solution

The fourth proportional to 7,089.19, 9,785.28 and 4,850.22 is: 6,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.19 : 9,785.28 = 4,850.22 : x
  2. Step 2: Convert to fraction form
    7,089.19/9,785.28 = 4,850.22/x
  3. Step 3: Cross multiply
    7,089.19x = 9,785.28 × 4,850.22
  4. Step 4: Simplify right side
    7,089.19x = 47,460,760.76
  5. Step 5: Solve for x
    x = 47,460,760.76/7,089.19
  6. Step 6: Final answer
    x = 6,694.81

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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.