Home / 7,756.51-11,635.31-2,210.30

Finding the Fourth Proportional to 7,756.51, 11,635.31 and 2,210.30

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Solution

The fourth proportional to 7,756.51, 11,635.31 and 2,210.30 is: 3,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.51 : 11,635.31 = 2,210.30 : x
  2. Step 2: Convert to fraction form
    7,756.51/11,635.31 = 2,210.30/x
  3. Step 3: Cross multiply
    7,756.51x = 11,635.31 × 2,210.30
  4. Step 4: Simplify right side
    7,756.51x = 25,717,514.64
  5. Step 5: Solve for x
    x = 25,717,514.64/7,756.51
  6. Step 6: Final answer
    x = 3,315.61

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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.