Home / 7,888.07-11,832.09-3,210.62

Finding the Fourth Proportional to 7,888.07, 11,832.09 and 3,210.62

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Solution

The fourth proportional to 7,888.07, 11,832.09 and 3,210.62 is: 4,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.07 : 11,832.09 = 3,210.62 : x
  2. Step 2: Convert to fraction form
    7,888.07/11,832.09 = 3,210.62/x
  3. Step 3: Cross multiply
    7,888.07x = 11,832.09 × 3,210.62
  4. Step 4: Simplify right side
    7,888.07x = 37,988,344.80
  5. Step 5: Solve for x
    x = 37,988,344.80/7,888.07
  6. Step 6: Final answer
    x = 4,815.92

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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.