Home / 6,447.68-9,669.75-2,287.13

Finding the Fourth Proportional to 6,447.68, 9,669.75 and 2,287.13

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Solution

The fourth proportional to 6,447.68, 9,669.75 and 2,287.13 is: 3,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.68 : 9,669.75 = 2,287.13 : x
  2. Step 2: Convert to fraction form
    6,447.68/9,669.75 = 2,287.13/x
  3. Step 3: Cross multiply
    6,447.68x = 9,669.75 × 2,287.13
  4. Step 4: Simplify right side
    6,447.68x = 22,115,975.32
  5. Step 5: Solve for x
    x = 22,115,975.32/6,447.68
  6. Step 6: Final answer
    x = 3,430.07

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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.