Home / 8,287.28-11,441.51-6,160.33

Finding the Fourth Proportional to 8,287.28, 11,441.51 and 6,160.33

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Solution

The fourth proportional to 8,287.28, 11,441.51 and 6,160.33 is: 8,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.28 : 11,441.51 = 6,160.33 : x
  2. Step 2: Convert to fraction form
    8,287.28/11,441.51 = 6,160.33/x
  3. Step 3: Cross multiply
    8,287.28x = 11,441.51 × 6,160.33
  4. Step 4: Simplify right side
    8,287.28x = 70,483,547.95
  5. Step 5: Solve for x
    x = 70,483,547.95/8,287.28
  6. Step 6: Final answer
    x = 8,505.03

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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.