Home / 6,858.28-10,287.38-1,664.12

Finding the Fourth Proportional to 6,858.28, 10,287.38 and 1,664.12

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Solution

The fourth proportional to 6,858.28, 10,287.38 and 1,664.12 is: 2,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.28 : 10,287.38 = 1,664.12 : x
  2. Step 2: Convert to fraction form
    6,858.28/10,287.38 = 1,664.12/x
  3. Step 3: Cross multiply
    6,858.28x = 10,287.38 × 1,664.12
  4. Step 4: Simplify right side
    6,858.28x = 17,119,434.81
  5. Step 5: Solve for x
    x = 17,119,434.81/6,858.28
  6. Step 6: Final answer
    x = 2,496.17

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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.